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Monocular Vs Binocular – Top Facts You Need To Know

Going canoeing, backpacking, hiking or simply taking your canine for a stroll in the woods.

Whenever out in the nature there always may be exciting stuff to see. A superb set of small or monocular or binoculars always can be helpful to take a better look at a few birds or even other animals or simply to scout exciting things in the landscape. There’s much to know about monocular vs binocular. I will be digging deep in this post. Keep reading.

Monocular Vs Binocular – Top Facts You Need To Know

Monocular Vs Binocular – Top Facts You Need To Know

Binoculars or Monoculars in compact size are ideal for periodic use because they easily fit in any daypack or pocket devoid of weighing you much. If you spend some time outdoors regularly you will rapidly get accustomed to the advantages of getting one particular small optical instrument at hand

Binocular Vs Monocular – What Is Best? What’s The Difference?

Let’s find out which one is the best. Here’s a short video for you:

 What Is It Monocular?

A Monocular is merely an optical device designed to see a faraway object through just one eye.

At the same time, a telescope can be the most common instance of a “monocular”. However when compared with a telescope that can be as big as construction limitations permit, a “monocular” is generally very compact and small therefore it can easily fit into any pocket.

This term monocular is resulting from Greek word “monos” that indicates “one” as well as the term “oculus” that indicates “eye”.

 What Is Binoculars?

Binoculars are extremely common, everyone has probably utilized one or seen one at least.

A pair of the binoculars is actually 2 small telescopes or 2 monoculars which are joined with each other to allow seeing via both eyes at the same time. They are frequently portable and lightweight but additionally are available in large models which needed a “tripod” to assist observation.

The name originates from Greek word where “bi” indicates “two” and “oculus” indicates “eye” like we perfected above. Binoculars are the most typical instrument utilized to see distant objects.

Benefits Of The Monocular:

  • Monoculars possess a variety of benefits and drawbacks. Amongst the numerous advantages is definitely the truth that they are lightweight, compact and small.
  • Since they’re practically just “half” a normal pair of the binoculars, however providing similar levels of magnification as normal binoculars, the monoculars are cheaper.
  • A disadvantage of the monoculars is a deficiency of the relaxed vision that can result in quick eye fatigue. Also, their construction tends to make them prone to annoying side “light effects” as well as the “field of view” isn’t wide.
  • On the other hand, monoculars are the best used in circumstances where one doesn’t need to constantly observe far away moving objects, however rather just quickly views a faraway object, similar to taking aim whenever hunting, calculating distance while playing golf and taking a glimpse at something.

Benefits Of The Monocular:

  • The majority of binoculars are super easy to use, simply point at an item and dial focus as well as you can see birds, game or some other exciting object.
  • As both the eyes are utilized, in comparison with the 1 eye observation using a monocular, the binoculars possess an extremely wider field of vision as well as project a “spatial” 3D image.
  • The binoculars are going to be considerably more comfortable, eyes will never go through “eye fatigue” and the users do not have eye fatigue-relevant headaches even if looking through instrument all day long.
  • Binoculars are ideally used for the nature observation, wherever one desires to view the objects for long durations. As a skilled nature observer or outdoorsman, you will observe promptly that an excellent pair of the binoculars is better than a monocular as well as provides improved viewing results.

Key Functions And Features Shared By Binoculars And Monoculars

Binoculars and monoculars share numerous functions and features which influence their overall performance primarily. We are going to discuss them here:

  1. Exit Pupil:

Having a glimpse on “ocular-lens” with both a binocular or monocular held at the arm’s length, a vibrant circle shows up on lens. It is the particular “exit-pupil”.

This exit pupil decides the lighting of the sight view. It is calculated in mm. It is a consequence of separating the set zoom level by diameter of objective lens.

  1. Relative Brightness:

Through considering “relative-brightness” of the preferred monocular or binocular, you can easily figure out the effectiveness of light provided via ocular lens. The “relative-brightness” is attained by squaring size of exit pupil.

  1. Twilight Factor:

Whenever the capability of a monocular or binocular to operate in the “low-light” condition can be an essential consideration after that twilight factor helps in comparing different devices. The twilight factor dimension determines the capability of a provided device to collect light for the vision facilitation.

Not to mention, the greater the “twilight” element, the superior is the capability of a monocular or binocular to operate in the “low-light” condition.

  1. Eye Relief:

It is the length between the eyes of the viewer and “ocular-lens” of the monocular or binocular. Spectacle wearers ought to consider the impact of the “eye-relief” upon their desired monocular or binocular focus, as distance increase developed by their particular glasses can interfere with field vision.

  1. Flawed Vision:

The view distortion discovered on both monoculars and binoculars can be a result of spherical aberration, astigmatism, field curvature or chromatic aberration. It is critical to assess the quality of lens of the preferred gadget before purchase.

Binocular Vs Monocular – What should you choose?

The decision over binocular vs monocular may be challenging for a few users. Many people choose to have both the instruments. In this case, one should be equipped well for nearly every scenario.

Yet picking between the 2 relies upon its supposed use as you can see in this article. What can be perfect for one individual may be extremely inappropriate for another? Think of your uses as well as the supposed goal and properly weigh the benefits and drawbacks.

When it comes to cost, dimensions and even weight a great monocular can have the benefits on its part. All things considered, you are simply having half a set of binoculars.


Whenever picking a “binocular or monocular”, many things, as we have demonstrated above, should be put into account. Your selection will be determined by a few things such as night vision capability, lens quality, double/single lens, price, size and also provision of supplementary accessories.


In case you are going to be adding the binocular or monocular with other items of equipment, then compatibility of the desired product with some other tools must be also put into account before purchase.


Thanks for reading this post. I hope you learned much and can make the right choice. Share this post with your friends on social media. Also share your opinions in the comment box below.

Which Scope Objective Lens Diameters Should You Choose?

Objective lens diameters of scopes can be somewhat confusing, because there are usually multiple different sizes.

Obviously, choosing your magnification or magnification range is important, but what about the objective lens diameter? How does this affect shooting? What is best for you?

In this article, we will answer these questions, and give some basic recommendations for you. There’s plenty of information out there, but we will lay it all out here to make it easier for you.

Which Scope Objective Lens Diameters Should You Choose

Which Scope Objective Lens Diameters Should You Choose

The Basics About Objective Lens Diameters 

Scopes are commonly given a naming convention with a few different numbers. These numbers generally correlate to the magnification and the objective lens diameter. For example, a 3-9×40 scope has a magnification range of 3-9x and an objective lens diameter of 40mm.

What is the objective lens? Simply put, the objective lens is the lens of the scope that is closer to the target. It’s the opposite of the eye piece, which is closest to your eye. Essentially, it’s the front lens of the scope.

The objective lens is usually larger than the rest of the scope. The reason for this is that if it is larger, more light will be able to pass through the scope. For this reason, you commonly hear that larger scopes are brighter, because more light is able to pass through.

Factors to Consider

When looking at the objective lens, there are a few factors to keep in mind. You need to consider the size/weight of the scope, the magnification of the scope, and the light conditions when shooting.

When considering the size of the scope, think about the fact that a larger objective lens will obviously sit much higher than a smaller objective lens. This could be an issue when mounting the scope. You will need different rings, and the scope will sit higher off the firearm. This could actually decrease accuracy, especially at closer range.

The scope sitting higher off the weapon could also make it harder for you to assume a good shooting position. It could throw off your sight picture and make it more difficult to align your eye with the reticle. Instead of getting a good cheek weld with the stock, you may have to shoot from a different position. This will decrease your accuracy, and it will make follow up shots more difficult.

Another thing that comes along with this added size is some more weight. A scope with a larger objective lens will also be much bulkier than a scope with a smaller objective lens. This can be an issue for some shooters, and definitely wouldn’t be great if you have to carry the weapon over longer distances.

When thinking about the magnification range of the scope, we’re talking more specifically about longer range shooting. For high magnification, a larger objective lens is better, because it will allow for a clearer picture. You should find the best ar 15 scope for long range shooting for your purpose.

However, the flipside of this is that at closer range, it may be more difficult to shoot with a larger objective lens. This is mostly due to the scope sitting higher on the weapon.

Lastly, make sure you take the light conditions into consideration. If you’re going to be shooting at dusk or dawn, a larger objective lens will allow for more light to enter the scope. This will make it easier to see. However, it will not make your field of view any wider. This is a common misconception with larger objective lenses.


If you’re going to be shooting in low light, a larger objective lens is probably a good idea. However, if your targets will primarily be close range, this won’t make much of a difference. The difference in light transmission is negligible at close range.

Generally speaking, a larger objective lens is best if you’re going to be shooting at higher magnification. At higher magnification, it will make it slightly easier to see.

I wouldn’t recommend sacrificing optical quality for a larger objective lens, though. Glass quality will still play a huge role in how clear your scope is. Getting a lower quality scope because it has a bigger objective lens would be a mistake.

For most shooting, a “medium” objective lens in the range of 40mm is more than enough. If your ranges will vary, I would always opt for a medium sized objective lens. Your effective range will shorten faster in low light conditions, but you will shoot much more accurately at close range.

For low magnification scopes, a smaller objective lens will work well.

What Are The Good Triggers For Your Glock?

One of the biggest appeals of Glocks is that they are easily customizable. There are very few internal components, and the ones that are there are very easy to understand and upgrade. The aftermarket parts market can get a little overwhelming due to the number of products available, but if you’re interested in some of our favorite Glock triggers, please continue reading.

What Are The Good Triggers For Your Glock?

What Are The Good Triggers For Your Glock?

Our favorite triggers will be reviewed in terms of pros and cons, and we will make some basic buying recommendations for you afterwards. This article is aimed to be a starting point, but should hopefully guide you in the right direction and clear up some confusion. Please note that these products are presented in no particular order.

Perhaps you’re not looking to necessarily upgrade your trigger. Maybe the one that you’ve got simply broke, and you just want another simple replacement. Have no fear, this is still an easy process.

Check out this replacement Glock trigger with trigger bar: in here  and the same triggers for Gen 4 in here   and Gen 5 in here .

These triggers are the same as the standard Glock trigger, which is decent. However, they are extremely easy to replace, and are available at an extremely affordable price. For only a couple bucks, you can completely replace the trigger with a whole new one, and your weapon will be working like new again.

However, if you’re looking for a new trigger, I would recommend going ahead and upgrading the whole thing. It will likely vastly improve your shooting.




This aftermarket trigger is one of the highest quality units out there. It’s a full drop-in replacement, and if you get the full kit, it comes with new springs, a new ejector, and a new firing pin safety plunger. While it is slightly more expensive, the complete kit is definitely worth it, and the shooting will be night and day different.

The biggest pros of this trigger are the smoothness, break, and adjustability. The trigger pull you will experience here is unmatched, and the reset is extremely fast. It’s also completely adjustable for pre-travel and overtravel, which allows you to easily fine tune the trigger to your own shooting needs.

The cons are that it is expensive, and it’s a little more difficult to install than some of the others. While the trigger is very easy to adjust, it is slightly more difficult to install than the manufacturer might let on. Don’t be shocked if you need a gunsmith to help you.




Up next, we’ve got another drop-in unit, this one from CMC Triggers. This one is slightly easier to install than the previous, and is a tiny bit less expensive. Right off the bat, this trigger is extremely smooth. While we preferred the Fulcrum from Zev, it was extremely close.

The pros of this unit are that it significantly improves the trigger pull, is extremely aesthetically pleasing, and is much easier to install. The trigger does smoothen out the trigger pull, while also decreasing the pull weight by a couple of pounds. This unit has a flat face trigger, which gives the weapon a little bit more unique look. One final pro is that this one is made of higher quality materials than the previous.

The cons of this trigger are that it is still expensive. While the price is still high, the trigger doesn’t come with new springs or any of the other parts that we mentioned with the Zev.

3. Apex Tactical Specialties Action Enhancement Trigger



Next up, we’ve got this drop-in trigger and trigger bar from Apex. This is by far the least expensive upgrade on our list, but it is pretty decent quality. The trigger reduces the pull weight and travel from the standard trigger, and has an excellent reset.

The pros of this trigger are the price and the improvements as compared to the standard Glock trigger. It really will significantly improve your shooting for a pretty low price. It’s also purple in color, which will give some flair to your weapon.

However, there are a couple cons. This unit is only the trigger and trigger bar, so you may look to replace the springs separately. Additonally, it’s not the smoothest trigger on the list. Again though, it’s a significant improvement over the standard trigger.

Buying Recommendation

For the average shooter, the trigger from Apex would be a great addition for not much money. It will improve your shooting, and will be enjoyable to shoot with overall.

However, if you’re a competitive shooter, we would recommend the CMC trigger. It’s just a start, but it’s an extremely high quality trigger. It’s very smooth and has a great pull. From the triggers on our list, this was out favorite one. 

And I think you have best handgun safe for keep you glock safe.


Improving your trigger will improve your accuracy and be much more enjoyable to shoot. For most weapons, improving the trigger is one of the first upgrades we would recommend doing. For Glocks, this is extremely easy. 

As you can see, there are quite a few different options out there for aftermarket Glock triggers. Keep in mind that this list was just a beginning, and there are still dozens of other options. Hopefully, this list has pointed out a few triggers to keep on your watch list.

What Exactly Is AccuTrigger And Should I Be Using It?

Maybe you’ve heard of AccuTrigger, maybe you haven’t. Sure, it sounds cool, but what does it actually mean? Is it just another name for any old trigger in a rifle?

In this article, we will talk about what AccuTrigger really is, and some advantages and disadvantages to using it.

AccuTrigger – A Basic Adjustable Trigger

What Exactly Is AccuTrigger And Should I be Using It

What Exactly Is AccuTrigger And Should I be Using It- Source:

Simply put, AccuTrigger is a two-stage adjustable trigger. More specifically, AccuTrigger is a specific trigger that the firearms manufacturer Savage Arms uses. If you’re hearing the term AccuTrigger, it refers to Savage Arms’ triggers, but it is also commonly used to describe other, similar triggers.

There were a few terms used there that maybe not everyone will be familiar with. First, let’s talk about what a two-stage trigger is.

Most triggers that you are probably familiar with are single-stage triggers. In this kind of trigger, there is only one motion that is made in the internals of the trigger mechanism. You pull the trigger back, and at some point, it fires. They are very simple.

In opposition to this, a two-stage trigger has more than one internal motion. The first stage of the trigger pull is pulling out the “slack” in the trigger. Once you’ve reached the end of the first stage, you hit a positive wall. Once you pull the trigger any further than this positive wall, you will reach the second stage of the trigger, which fires the weapon.

The next factor of the AccuTrigger is the fact that it is adjustable. While it may seem simple, al that this means is that you can adjust the weight of the trigger pull. You can make it either easier or harder to pull the trigger, which allows you to customize it to your needs.

What are the advantages of an AccuTrigger?

Due to the fact that it is a two-stage, adjustable trigger, you will find that it is much easier to shoot.

Ever shot a weapon that you weren’t exactly sure when it was going to fire? When this happens, you subconsciously are anticipating the weapon firing, which can cause you to flinch, and shoot less accurately.

With an AccuTrigger, this is completely eliminated. You know exactly when the weapon will fire due to the positive wall in the two-stage functioning. This will prevent you from flinching, so you will be able to shoot more accurately.

Similarly, this is the same with the adjustable trigger pull. You will be able to fine tune the amount of pull it takes to fire the weapon, so that it meets your needs very precisely. These two things put together will allow you to be a noticeably more accurate shot.

However, this isn’t just with an AccuTrigger. This is applicable with any adjustable, two-stage trigger. While the AccuTrigger was one of the first, similar triggers are used in Ruger and Marlin weapons.

Should I use an AccuTrigger?

What Scope Does The Military Use

If you have never shot a two-stage, adjustable trigger, you should definitely give it a shot (no pun intended). We think that it will significantly increase your shooting abilities.

However, to say that this is absolutely necessary would be false.

If you are doing any type of precision shooting, a high quality trigger, such as AccuTrigger, is going to be extremely important to you.

But, if you are hunting, a high-quality trigger like this isn’t exactly necessary. It certainly won’t hurt, but you will be able to get by without it.


AccuTrigger, or any other adjustable, two-stage trigger is a great idea. However, if you aren’t a fan of Savage Arms (as many people aren’t), don’t feel that using an AccuTrigger is absolutely paramount. It will improve your shooting, but there are other choices. For those who don’t like Savage Arms, these other options would be worth looking into.


What Does Grain Mean In Ammo And What Grain Should I Be Using?

For many firearms users, this question can be a little confusing. Grain isn’t exactly commonly used anymore. So, in this article, we will clear up some of the confusion about what exactly a grain is, and then make some recommendations about what grain is best to shoot.

What Does Grain Mean In Ammo And What Grain Should I Be Using

What Does Grain Mean In Ammo And What Grain Should I Be Using

Continue reading to learn more about grains in ammo.

Grain – The Basics

A grain is a unit of measurement for mass. It is an extremely small unit. In fact, 1 ounce is equal to 437.5 grains, just to give you an idea of how small it is. For another comparison, 1 gram is equal to 15.43 grains. Since 1 gram is approximately a paper clip, I’m sure this gives you an idea of how small a grain is.

Many people think that grain refers to something with the gunpowder or propellant used. However, it really has nothing to do with that. In ammunition, grains are used to say how large the projectile of the cartridge is.

So, when ammunition says it is 55 grain FMJ, it means that the actual bullet that will fly downrange weighs 55 grains.

Choosing the Right Grain

Now that you know exactly what a grain is, and what it refers to in ammunition, let’s talk a little about how to choose which bullet size you will shoot.

Each caliber of ammunition generally has quite a few different choices for grain size. This number is only increased if you are handloading your own ammunition. Before making a decision, it’s important to know about all of the options available in the caliber you are thinking about.

When you’re trying to decide the size of the ammunition, there’s a couple things to keep in mind. First of all, what exactly are you shooting for?

If you’re hunting, you want a different round than if you are just shooting at the range.


For hunting and any kind of defense shooting, a larger grain is generally better. Larger grain, heavier bullets, generally perform better inside a target. However, there’s a lot more to consider.

For example, jacketed hollow point ammunition performs extremely well inside of a live target, while full metal jacket ammunition will not do as well.

If the choice is between heavier full metal jacket and lighter jacketed hollow point, I would go with jacketed hollow point every time. It expands on impact, and damages more tissue.

However, if there are multiple grains of jacketed hollow point ammunition, heavier is generally a little better. Just to caveat that, it’s not a set in stone rule. Your best bet is to try and find some ballistics testing or gelatin testing that others have done to see which performs better.

Precision Shooting

Precision Shooting

If you’re doing any type of competition or long range accuracy shooting, the exact projectiles can play a huge factor in the accuracy of the weapon. Most people choose match grade ammunition, but there are a couple things to keep in mind.

First, the shape of the bullet plays equally as important of a role. Aerodynamics are extremely important, especially over distance.

Next, there are some weapons that just don’t shoot some ammunition well. For whatever reason, some weapons seem to prefer some types of ammunition. The only way that you’ll know this is by testing and shooting multiple types of ammo.

Range Shooting

If you are just plinking at the range, your bullet weight really doesn’t matter. If you’re going to be using the weapon for anything other than range shooting at other points in time, we recommend putting some of your actual choice of ammunition through the weapon, just to make sure it handles the ammunition well.


Now that you understand what grain means in ammunition, you will hopefully be able to make some better choices with what ammunition you are shooting. Unfortunately, there isn’t one exact answer since most calibers have so many different choices, but we have given you some recommendations to consider.

Essentially, just make sure you test out different kinds of ammo, and see which one offers the best performance for your use for your weapon.

How Many Magazines Should I Have?

How Many Magazines Should I Have? This is a common question among new firearm owners.

It is a fairly simple question, but it doesn’t really have a simple answer. The primary reason for this is because it depends entirely on what you’re using your weapon for.

In this article, we will talk more about this, and make some basic recommendations for you.

Weapon Uses – Hunting, Self Defense, Home Defense, Range Shooting

How Many Magazines Should I Have?

How Many Magazines Should I Have?

Before being able to answer this question, you must first identify what type of shooting you’re going to be doing with your new weapon.

Are you planning on hunting? If so, what type of hunting? Different types of hunting warrant having different numbers of magazines.

If you are using your weapon for self defense, what is the magazine capacity of the weapon? Are you planning on carrying concealed or open?

In a home defense situation, the same question applies. What is the magazine capacity of the weapon?


Shotgun Home Defense Ammo-What Should You Choose

Shotgun Home Defense Ammo-What Should You Choose

This really depends on what type of hunting you are doing. If you are doing nothing but deer hunting out of a stand, you really can get by with only having one or two magazines. In a traditional deer rifle, your magazine capacity is pretty low, but you also aren’t having to take many shots per day.

On the contrary, if you are doing any varmint hunting, coyote hunting, or hog hunting, there’s a good change you’re using a semiautomatic weapon with a much larger magazine capacity. With this kind of hunting, there’s also a good chance that you will be taking follow up shots in quick succession. As such, it’s probably going to be better for you to own four or so magazines, to be able to have plenty of ammo for the hunt.

Self Defense

Home Defense Tactics

Home Defense Tactics

If you are carrying a single stack 9mm pistol concealed, there’s a good chance that your magazine capacity is going to be in the neighborhood of 7+1. In this kind of situation, having more ammo could be the difference between life and death. If you only have eight shots to engage the target… well, you better be a good shot. Having an extra two magazines certainly won’t hurt.

But, if you’re carrying a larger weapon with a larger magazine capacity, you probably can get away with only having one magazine and one spare.

Home Defense

Striker Fired vs Hammer Fired

Striker Fired vs Hammer Fired

This one is kind of broad, because so many different weapons are used for this. However, my opinion on this is that you are going to be using the weapon in a stationary area. It’s not like hunting or carrying a weapon, where you have to carry the magazines and extra ammo on you at all times.

In a home defense situation, I would keep as many magazines loaded as you feel comfortable with. For any type of weapon, there’s really no reason that you can’t have six magazines loaded and ready to go, just in case. And you should keep your magazines in the best handgun safe for the money in your home, it will keep safe for your family.

Range Shooting

What Is A Match Grade Barrel Who Should Use It

What Is A Match Grade Barrel Who Should Use It

This one depends entirely on how often you want to reload magazines. You can get by with one magazine at the range and change after every shooting iteration, or you can bring six and change less frequently. The choice is yours.

Personally, I like to bring three magazines to the range. It’s less to keep track of, and I don’t have to spend time between every shot group to reload a magazine. It lets me develop a better shooting rhythm.


As you can see, this is a somewhat general question with a somewhat general answer. It really depends on what type of shooting you plan to be doing. Hopefully this article has pointed you in the right direction, or given you a general idea how many magazines you should really own.


Understanding Handgun Calibers: The Definitive Guide

Looking to purchase a handgun, but not sure what caliber is best for you? In this article, we will go over some of the most common handgun calibers and make some recommendations for you about when to use each one.

Handguns are very widely used. They are commonly used for home defense, personal defense, and can be used for hunting as well. There are tons of different calibers out there, and it can get a little confusing.

Understanding Handgun Calibers- The Definitive Guide

Understanding Handgun Calibers- The Definitive Guide

We’ll get this started with common pistol calibers, from small to large.


Yes, the rimfire cartridge commonly found in bolt action rifles. While not all that common, .22LR can be found in both pistols and revolvers. They don’t see much personal defense or home defense use because the round is so small, but they are pretty fun for just plinking around.

Due to the fact that the ammunition is readily available and pretty inexpensive, most people like their .22LR pistols and revolvers for range shooting. However, some people do decide to carry them. You know the old saying, the gun on you is better than the one in the gun safe. If you’ve got nothing else, carry a .22LR by all means, but you can certainly do better.

.380 ACP

Next up we’ve got another small round, the .380 ACP. These bullets are .355 inches in diameter, weigh between 90 and 100 grains, and are fired around 1000 feet per second. These projectiles are still very small, but the round is barely suitable for personal defense.

This round is commonly found in really small frame concealed carry pistols. Many of the pocket pistols and secondary weapons that you see are chambered in .380 ACP. I carry a .380, but only in the summer, when people are wearing less clothing. I would definitely recommend 9mm over .380 for personal defense, but .380 is acceptable.

However, for home defense, you aren’t worried about the size of the weapon, so I would recommend a larger caliber projectile.

9mm Luger

Now we’re getting into more widely used rounds. 9mm is one of the most common rounds in the world. The bullets are .355 inches diameter as well, but they weigh 115 to 130 grains, and are fired around 1100-1200 feet per second. These bullets are much larger and are fired faster, so this is a better round for any defense purposes.

9mm is a great round for range shooting and any defense purposes. There’s an absolutely gigantic array of weapons available, ranging from tiny carry weapons to full sized weapons. You can get a single stack carry weapon in 9mm, but also a double stack weapon with a 17+ round magazine capacity for home defense. For range shooting, the recoil is manageable, and the ammunition isn’t that expensive.

.40 Smith & Wesson

While this round is not nearly as common as it used to be, .40 Smith & Wesson is a pretty good round. The projectiles are .4 inches in diameter, weigh between 135 and 165 grains, and are fired around 1100 feet per second.

.40 S&W is sort of on the way out, due to the fact that 9mm offers such similar performance in a smaller frame. 9mm is a smaller round, so you are able to fit a few more in a magazine, while achieving similar ballistic results to the .40 S&W.

However, despite this fact, I still think that .40 S&W is a great round for any defense uses. I would shoot 9mm at the range over .40 S&W, but I feel very comfortably carrying around a .40 S&W weapon. There aren’t quite as many weapons out there, but they are suited great for personal and home defense uses.

.45 ACP

Now we’re getting into much larger cartridges. These projectiles are .451 inches in diameter, weigh between 165 and 185 grains, and are fired around 1050 feet per second, dependent on the round.

These are large, heavy bullets that are fired pretty fast. For this reason, they are great for defense uses and as a hunting sidearm.

Due to the size of the cartridge, there aren’t many .45 ACP weapons that are meant for concealed carry. There are a couple, but your magazine capacity is going to be extremely small. I would recommend .45 ACP for home defense, such as in a full-size 1911. This same weapon would be decent for a hunting sidearm, but slightly larger cartridges might perform a little better for this. .45 ACP will take care of smaller targets, but if you’re going to hunt deer with a handgun, you probably want a bigger round.

I’m not going to say you shouldn’t shoot .45 ACP at the range, but the ammunition is pretty pricey. Your wallet will probably thank you if you shoot a smaller cartridge.


This is the largest pistol cartridge we will talk about. There are some exceptions out there (looking at you, Desert Eagle), but 10mm is the largest pistol cartridge that is really commonly found. The projectiles are slightly smaller than .45 ACP, with a diameter of .40 inches. However, they are usually about the same weight, but are fired at 1200-1300 feet per second.

These projectiles generate a lot more energy because they are moving so much faster. In terms of terminal performance, .45 ACP is a larger bullet, so they create larger holes and damage more tissue, but these bullets are moving faster. It’s almost a tie between the two for which one does better in terms of ballistics.

However, I prefer 10mm for hunting because it retains energy over a longer distance. 10mm performs similarly to .45 ACP in terms of handgun hunting. Both are decent cartridges that can put a deer down, dependent on your shot. Personally, I like 10mm better due to the flatter trajectory, but both are decent.

Similar to the .45 ACP, 10mm is decent for defense uses. The round has a lot of recoil, so I wouldn’t recommend it for plinking at the range.

Let’s get into revolver rounds now.

Note: If you have a handgun, i think you should have best handgun safe to keep it safe. It’s very important.

.38 Special

These projectiles are .357 inches in diameter, weigh between 125 and 150 grains, and are fired around 950 feet per second. In terms of ballistics, these bullets are larger and heavier than 9mm bullets, but aren’t fired as fast. For the sake of comparison, it definitely outperforms .380 ACP.

Due to the similar performance, I would recommend this for the same uses as 9mm. It’s great for home defense, self defense, and range shooting. It’s a pretty commonly carried cartridge, because there are some tiny revolvers that are available in .38 Special.

.357 Magnum

Up next is another great defense round. The bullets are also .357 inches in diameter, and are commonly 125 or 158 grains, but they are fired much faster than .38 Special ammunition. These rounds are fired closer to 1200-1400 feet per second. For this reason, it is an even better defense round. It will do a ton of damage in tissue.

The revolvers are usually not that large, so you can carry them somewhat easily. They are great for home defense as well, and would definitely be fun to shoot at the range.

.44 Remington Magnum

These bullets measure .429 inches in diameter, weigh from 240 to 300 grains, and are fired between 1200 and 1400 feet per second. As you can see, these are some giant rounds that are being fired extremely fast.

While they aren’t as wide as .45 ACP pistol projectiles, they are significantly more heavy, and are fired significantly faster. This round is really devastating. However, as you can imagine, the cartridge itself is pretty large. It’s fired from much larger weapons, so you won’t find many people trying to conceal this.

When you get into these much larger revolver cartridges, you get more into handgun hunting. Due to the fact that the projectiles are so large and are fired so fast, many people do different kinds of hunting with these revolvers.

.44 Magnum is the first of our revolver cartridges that I would recommend hunting with. It will put down all different kinds of animals with relative ease. It’s an excellent choice.

However, this combination of size, weight, and speed also means that the round is good for home defense. While its certainly not my first choice to shoot at the range, it is a great revolver to have in the nightstand.

.454 Casull

Similar to the pistols, we won’t talk about the absolute largest revolver cartridges available (such as .460 S&W Magnum), but we will talk about .454 Casull, which is absolutely giant. The bullets are .452 inches in diameter, and are usually over 300 grains. They are fired at 1500 to 1600 feet per second.

Once again, these are fired out of huge revolvers. You could definitely hunt with these, and you can definitely defend your home with it as well. They are huge bullets, and will do all kinds of damage within a target.

Vortex Optics Diamondback 4-12×40 Riflescope Review

In this article we will review this extremely popular riflescope from Vortex Optics.

Vortex is very popular in the industry, and for good reason. They produce some extremely high quality optics, and are available at a pretty reasonable cost.

We will fully review the optic in terms of pros and cons, and make some buying recommendations.

The Features of Vortex Diamondback 4-12×40

What Calibers Can You Build an AR-15

Vortex Optics Diamondback 4-12×40 Riflescope Review

This optic measures in at 12.8 inches long with a 40mm objective lens. The magnification range is from 4-12x, and the eye relief is 3.1 inches. Your field of view through the scope is 32.4-11.3 feet at 100 yards.

In terms of size, this scope is not that large, despite its magnification range.

It has some weight to it, but compared to other scopes with similar magnification, this one is definitely around the same size. 

The eye relief is somewhat short, but it definitely works for shooting this scope.

Highlights About Optics Diamondback 4-12×40

Vortex Optics Diamondback 4-12x40 Second Focal Plane Riflescopes

Vortex Optics Diamondback 4-12x40 Second Focal Plane Riflescopes

The scope offers some excellent optical features.

The internals of the scope are fully multi-coated. This allows for maximum light transmission, especially when paired with the large 40mm objective lens.

To put it simply, this light allows maximum light to go through, so you will be able to clearly see everything through the scope.

Another huge pro of this scope is that the reticle is on the second focal plane.

This means that while you change the magnification range, the scale of the reticle remains the exact same. Especially when you are using the bullet drop compensating reticle at longer distance, this is a huge pro for you.

Pros of this product

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    One other thing to consider with the optical features of the scope is how acute the adjustments are. Each click of the turrets allow for a ¼ MOA adjustment. This translates to ¼ inch at 100 yards. As you can see, this is very precise. The turrets also allow for an easy return to zero, once you are done shooting at long distance.
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    However, the best feature of this scope is the durability. It is waterproof, shockproof, and fogproof, and the internals are contained within an aluminum housing that is given a hard anodized finish. This makes for a very tough scope that can withstand the elements and any amount of recoil that you can imagine.


In terms of the optics though, there are a couple cons that we found. For one, dependent on the range at which you zero the rifle, the parallax at close range makes the scope nearly unshootable.

However, this scope really isn’t meant for shooting at close range, as evidenced by the minimum 4x magnification.

Another cons that we identified is that the eye relief is pretty unforgiving.

While the scope can withstand the recoil, the eye relief is pretty difficult to manage, especially with larger caliber weapons.

When using a higher magnification, this eye relief becomes difficult to manage.

Lastly, it can have some glare in it at some times. We would recommend adding a sunshade to optimize this scope.

Comparison with another scope

We will compare this scope to some of its competition: the Leupold VX-R 4-12x40mm and Nikon P-308 4-12x40mm. This comparison will give you an idea about what to expect when purchasing the Vortex Optics Diamondback.

As is well known, Leupold makes some of the highest quality scopes on the market. When comparing the Vortex to the Leupold, the Leupold is clearly a better scope (in my opinion). The optics are way clearer, it is just as durable, and we found the reticle to be easier to use. However, Leupold scopes are notoriously expensive.

Comparing the Nikon and the Vortex is a much closer comparison. Nikon offers great optical features, but the scopes are extremely similar in the end. They are both very accurate and easy to shoot with. The reticles are comparable, and the scopes are nearly identical overall. We give a slight edge to the Vortex, but it is very close.


Upon first looking at this best scope for ar 15, it’s clear to see that it’s obviously meant for long range hunting or hunting with a larger caliber weapon.

It is extremely durable, and it can withstand any recoil from the weapon. As such, it’s great for big game hunting or for use when shooting shotgun slugs.

However, that’s not to say that it’s impossible to use the scope for anything else.

Due to how precise the adjustments can be on this scope, you could use this for longer range target shooting.

After all, this scope does zoom out to 12x, and it does have ¼ MOA adjustments. For target shooting of this nature, the eye relief may not be as much of a concern either.


Overall, this is a quality scope that offers some great optical features. It is very clear, and extremely durable.

While there are some shortcomings that are to be expected of a scope of this nature, it is a great product for multiple uses when it’s all said and done.

Regardless of your use for the scope, you will pleased with its performance overall.

What Are The Best Red Dot Sight For Ar 15 Rifle?

Red dot style sights are by far the most popular choice for AR-15s and other AR-frame weapons.

As such, there are hundreds of different options available on the market. Every single person has their own personal favorites, but we can all agree that it is very difficult to settle on one option.

What Are The Best Red Dot Sight For Ar 15

What Are The Best Red Dot Sight For Ar 15

In this article, we will review five of the top choices.

These optics are all great choices, and will serve your weapon very well.

We will talk about all three in terms of pros and cons, and then we will make some buying recommendations.

Top Our Pick For Best Red Dot Sight For Ar 15 In 2018

Review of 6 Best Red Dot For AR 15 On The Market

Continue reading for our full review of the best red dot sights for an AR-15.

1. Bushnell Trophy TRS-25 Red Dot Sight Riflescope

Bushnell Trophy TRS-25 Red Dot Sight Riflescope

Bushnell Trophy TRS-25 Red Dot Sight Riflescope

This red dot sight from Bushnell is extremely compact. It measures only 2.4 inches long, and only weighs 3.6 ounces. You will hardly even notice that it’s attached to your rifle.

Similar to the previous optic, this scope has unlimited eye relief. You can shoot it with your head placed wherever you want, and with both eyes open. As long as your zero is accurate, your shots will be on target. Just like with the Vortex, this allows for extremely fast target acquisition.

In terms of light transmission, this scope performs almost as well as the previous Vortex. It has Bushnell’s Amber-Bright technology and the internals are fully multicoated. The front lens of the scope is amber in color, which improves your vision down the sight. However, this scope isn’t quite as bright as the previous one, due to the fact that the objective lens is 5mm smaller. This will slightly limit the amount of light that can enter the optic.

Another similarity to the Vortex is that the scope offers a high level of durability. It is waterproof, shockproof, and fogproof. Once again, this is a great feature for hunting.

However, where this scope starts to lag a little behind the Vortex is in its accuracy. The reticle of this optic, which is a simple red dot, is 3 MOA in size. This is a pretty large reticle, so at longer distances, you run the risk of your target being completely covered by the reticle. As you can imagine, this makes it difficult for precise shooting at longer ranges.

Overall, this is an excellent value purchase. It is a quality scope, and will serve your AR-15 well. While some have experienced some issues with the newer version of this scope, we did not have any issues with ours. It was bright and easy to see

2 .Vortex Optics Strikefire II Red Dot Sights

Vortex Optics Strikefire II Red Dot Sights

Vortex Optics Strikefire II Red Dot Sights

I’m sure you’ve heard of Vortex Optics, as they are extremely well known and respected throughout the industry. They produce many different optical products, including quality riflescopes and tactical-style red dot sights. They offer an excellent combination of quality and affordability.

The Strikefire II is an internal reflex sight that has very bright red or green reticle. It is extremely easy to use, and offers pretty accurate shooting. The entire system is designed for AR-frame weapons, so it is naturally a great choice.

The optic measures 5.6 inches long and weighs 7.2 ounces. The objective lens is 30 millimeters, and the internals are fully multicoated, which will allow for maximum light transmission. This means that the scope will be extremely bright and easy to see through.

When you’re looking down the optic, there is no parallax and it has unlimited eye relief. This allows for easy shooting with both eyes open. The reticle is a simple dot, but there are 10 brightness levels and you can choose whether it is red or green. The lowest settings are night vision compatible. For these reasons, the sight is extremely fast to acquire targets.

When you power the scope up with the rear-facing controls, it automatically reverts back to the previous brightness setting it was on. If you accidentally leave the power on, it will automatically turn off after 12 hours. This significantly increases the battery life.

The scope itself is also very durable. It is waterproof, shockproof, and fogproof. The optic is made from an aluminum alloy , and has been given a hard anodized finish to match this. This optic would be excellent for hunting or any other outdoor shooting, due to how durable it is. Another aspect of the durability of this scope is the fact that it will hold your zero for thousands of rounds.

The adjustments with this scope are very easy to make, and each click results in a ½ MOA movement. This means that your point of impact will move by half of an inch at 100 yards. For an AR-15, this is an extremely precise adjustment, which allows for very accurate shooting.

Overall, this sight is extremely easy to use, and it is packed with features. It offers some of the best bang for your buck we have seen. We found that it was very easy and enjoyable to shoot, and we were able to shoot very accurately with it.

3. Ohuhu Red Green Dot Gun Sight Scope Reflex Sight with 4 Reticles

Nikon M-308 4-16x42mm Riflescope w/ BDC 800 Reticle,Black

Ohuhu is a company that produces many different products in quite a few different areas. One of these products is their red dot style sight, which is one of the biggest sellers on Amazon. This scope is an exposed reflex sight, which means it basically just has one external “window” where the reticle is projected. It is available in a tan color and in black.

Due to the style of sight it is, this scope is extremely small, and the adjustments are extremely easy to get to. They are made with an Allen key. The adjustments of this scope aren’t nearly as precise as the previous ones, so it will not shoot nearly as accurately.

The scope itself is decent. It has no eye relief and no parallax, just like the previous sights on our list. When it holds its zero, it is an extremely easy scope to use. However, we did have some accuracy concerns with the sight. Some of the reticles don’t line up with others, and it is known to lose a zero with a little recoil.

As the name may imply, it has four different reticles you are able to choose from, and you can choose whether they are red or green. There are multiple brightness settings, but even at the highest setting, it isn’t always bright enough for normal use.

The scope has some durability concerns, due to how cheaply it is made. There are plenty of examples of this sight breaking after very limited use.

At the end of the day, Ohuhu isn’t a rifle optics company. Vortex and Bushnell are. To expect the same quality as the other companies would be foolish. However, if you aren’t going to shoot your weapon much, and you are looking for a very inexpensive option, this optic may be decent for you. We would recommend spending the extra money for the Bushnell, but this might work

4. Holosun HS503C Paralow 133x54x72mm Circle Dot Sight

Holosun HS503C Paralow 133x54x72mm Circle Dot Sight

Holosun HS503C Paralow 133x54x72mm Circle Dot Sight

This sight from Holosun is an extremely basic red dot style sight. However, don’t let that turn you off from how high quality this sight is. This is actually one of our favorite red dot sights, despite its simplicity.

The optic measures 5.24 inches long, and weighs in at a tiny 4.25 ounces. As you can see, it’s a really small optic. It’s an internal reflex style red dot, which basically means that it’s a small tube with two lenses and the actual reticle is inside the tube, between the lenses. The dot is red, and the scope has no magnification.

When many people hear the term “red dot sight,” they are thinking about an external reflex sight. An internal reflex sight works pretty much the same, but the reticle and lights are all internal. In my opinion, these are more durable and reliable than external reflex sights, and I think they look a little better.

The pros of this optic are the ease of use, the solar power, and the durability.

When we say the ease of use, we mean in so many different ways. For starters, the optic is extremely easy to fire with. The reticle is extremely simple. It’s a simple dot reticle or a circle/dot combination, which is very easy to acquire targets and shoot accurately with.

The optic is also extremely easy to adjust, as most red dot style sights are. All you have to do is open the turrets, and use the simple mechanism to move the reticle. The clicks are easy to hear and feel, so you can get some peace of mind in your zero.

Another factor of this ease of use is how easy it is to install the optic. It has a simple cross bar style mount, meaning that you can easily mount it to either picatinny or weaver style rails.

The solar power also leads directly into the ease of use of the scope. Solar power is something not commonly seen in optics. For us, we really liked the feature. The reticle brightness adjusts for how bright it is outside, and when it’s bright enough to power the solar panel, the optic just stays on the entire time. As you can imagine, this makes it very easy to use.

The scope also has a battery backup, when it’s not bright enough out to use the solar power. The battery life is great, and the scope will automatically turn off after a wait period.

The cons of this optic are that it is pretty pricey, and it isn’t the most precise optic available. The price comes largely from the solar power. Similar optics without this feature will be much less expensive  (In my research). In our opinion, it’s worth the added cost though.

5. UTG 4.2" ITA Red/Green CQB Dot with QD Mount, Riser Adaptor

UTG 4.2" ITA Red/Green CQB Dot with QD Mount, Riser Adaptor

UTG 4.2" ITA Red/Green CQB Dot with QD Mount, Riser Adaptor

The UTG 4.2” ITA scope is extremely affordably priced, but also offers some decent features. While it isn’t the highest quality scope available, it definitely works for basic tactical uses and range shooting. We wouldn’t shoot competitions with it, but it is an acceptable optic.

The optic measures 4.17 inches long and weighs 9.8 ounces. Similar to the last optic, it’s a simple red dot with no magnification at all. However, this one differs in that it has a T-style reticle, which can be either red or green.

The pros of this optic are ease of use, and durability. Since this optic removes the solar power. While the optics of the previous sight are higher quality, this scope is decent. For basic shooting, it is more than acceptable.

The ease of use of this scope is extremely similar to the Holosun, so we won’t simply repeat the same features. However, this scope also has a quick detach base, so you just have to flip a lever to take it off of a picatinny-style rail.

As with the Holosun, this is a very durable optic. It’s waterproof, fogproof, and shockproof, and the internals are durable enough to withstand the recoil of multiple weapons. You can use this optic on shotguns and rifles with larger calibers as well.

The cons are that the reticle isn’t as easy to use, isn’t quite bright enough, and it is not that precise. I prefer the circle/dot combination reticle to the T-style. I think that the target acquisition is slightly slower, and it makes it harder to get a precision shot.

Speaking of the reticle, on bright days, it can be very difficult to see. The red dot works better than the green dot, but both are difficult to see when it’s really bright out.

Lastly, the adjustments of this optic are not that bright. If you’re shooting at longer distances, it’s going to be hard to be very accurate with this scope. The reticle is large, and you can’t adjust it that precisely.

6. Sig Sauer SOR52001 Romeo5 1x20mm Compact 2 Moa Red Dot Sight, Black

Sig Sauer SOR52001 Romeo5 1x20mm Compact 2 Moa Red Dot Sight, Black

Sig Sauer SOR52001 Romeo5 1x20mm Compact 2 Moa Red Dot Sight, Black

Last up, we’ve got an excellent optic from Sig Sauer. Similar to the previous two optics, this one is an internal reflex sight that is very compact in nature and has no magnification range.

It measures in at only 2.47 inches long and weighs only 5.1 ounces. As you can see, this is a truly tiny optic. It’s got a simple 2 MOA red dot style reticle, and really does have some great features. In terms of optical clarity, this may be my favorite on the list.

The biggest pros of this weapon, other than the extremely compact size, are the durability, MOTAC, and optical settings. As with all of the other optics, this one is very durable. However, Sig takes it to another level by guaranteeing that the optic is IPX-7 rated.

The MOTAC is a Sig creation. Essentially, the optic is motion activated. It will turn on when it senses motion, and turns off when it doesn’t. It’s that simple. It saves a lot of battery. I still prefer the solar power of the Holosun, but by a very slim margin.

Another pros of this optic is that it has two night vision settings to go along with eight normal settings. This is a much wider variety than the other optics mentioned.

Just like the other sights on this list, the red dot is large, and the adjustments aren’t that precise. It will be difficult for longer range shooting, but it is more than acceptable for CQB style shooting, and casual range use.

Buying Recommendations

Now that we’ve talked about the three scopes, lets make some buying recommendations.

Simply put, the Vortex is the best of the group.

If you are going to be shooting in low-light conditions or under night vision, the Vortex is your best bet. It will allow more light to pass through, and will be easier to see down.

For hunting, the Bushnell and the Vortex are both great options, due to how durable they are.


Hopefully our review of the best AR-15 optics was useful to you. When considering some of the things that we have mentioned, it should be way easier for you to select an optic for your weapon.

Buying a red dot for your AR can be an overwhelming experience. Choosing one of these, especially the Bushnell or the Vortex, will be a great choice for you.

For range shooting, either of these two options is a great choice. They are both good optics, but the Vortex may be slightly more accurate, especially at longer distance.

What Is The Legal Barrel Length For An Ar 15

If you are trying to build an AR-15 and avoid having to go through the process of getting an ATF-approved tax stamp, you’re going to need to know the legal barrel length for your weapon.

In the military, M4 barrels are 14.5 inches long. This was a vast reduction in size and weight compared to the 20 inch barrel of the M16.

What is the legal barrel length for an ar 15

What is the legal barrel length for an ar 15

However, what barrel length is legal in the civilian world?

The Simple Answer for legal barrel length of AR 15

Putting it as simple as possible, the answer to this question is 16 inches. However, as with many things in the firearms world, there are some workarounds to this.

Muzzle Device

The first workaround is a permanently attached muzzle device, such as a flash suppressor.

In this situation, you are able to buy a 14.5 inch barrel and a specific muzzle device, and have a gunsmith pin-and-weld the muzzle device to the barrel.

In most of these flash suppressors, it will be specifically stated that you are able to have it pinned and welded, so be sure to check if it’s possible before buying the muzzle device.

Essentially, pinning and welding the muzzle device makes it permanent, which in turn makes it part of the barrel. For that reason, you are able to count the extra length of the flash suppressor as part of your barrel length.

Keep in mind that this will come at an added cost, since you’ll have to purchase the muzzle device and also pay to have it welded on for you.

AR-frame Pistol

Black Pistol with High Capacity magazine full shot

Black Pistol with High Capacity magazine full shot

The 16 inch barrel length only applies to rifles, NOT pistols.

You are able to build an AR pistol in various pistol and rifle calibers, which would eliminate the need for the 16 inch barrel. If it is technically a pistol, the barrel can be much shorter.

However, when building an AR pistol, there are a few laws that you need to keep in mind. Since that isn’t the point of this article, we won’t go too much into them. It basically boils down to the buttstock of the weapon, and there are some specific design features that must be accounted for. Make sure you know your laws if you take this route!

Get the Tax Stamp

Lastly, if you want a shorter barrel, you can always just get the tax stamp from the ATF. Once your weapon is classified as a short-barreled rifle (often called SBR), the length of the barrel won’t be a problem.

This is a somewhat length and time consuming process, but it is the only way to legally have an AR-15 rifle with a barrel less than 16 inches. Related that, if you are intending buy a scope for your ar 15, you should choose Nikon or Vortex, it’s my favorite.


To make a long story short, the answer to the question is 16 inches. Your AR-15 barrel must be at least 16 inches in length to be considered legal by the ATF. Anything shorter than that, and you will have to get an SBR tax stamp from them.

However, as we mentioned in this article, there are a couple workarounds you could pursue to avoid having to get the tax stamp. But, like with anything, make sure you know the laws about what you are doing.

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