Best AR-15 Scope under $100

best scope for ar 15 under $100 Comperison Chart

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What too consider before buying Cheap AR-15 Scope?

It was once said and repeated twice. Make sure you consider all options before you make a purchase. Ask questions.

Once you answer these questions, you will be able to determine what you need and what product you should purchase.

Novice shooters are more likely to buy the wrong scope because they don’t know what it is.

This buying guide will provide you with all the information you need to make an informed purchase.


First, each scope is designed for a specific purpose. One scope may be more suited to long-range shooting, while another might be more suited to close-range shooting.

However, some rifle scopes are better in light transmission and glass quality, but less so when it comes time to adjust. They’re not all the same.

Each scope is different. You can find the scope that suits your needs if you are smart enough and fortunate enough. Vortex Optics Strike Eagle, is an example.

Let’s say you need a scope for close-range shooting. It should be able to adjust the turret easily and have maximum magnification. You should select a rifle scope that is specifically tailored to your requirements. If it includes other features, it’s undoubtedly a surplus.


Second, consider different shooting distances. You should consider how close you are to your target and how much magnification is required. Shooting distances are determined based on how far they can reach.

The range is 150 yards. Next, there’s a medium range of 150 to 400 yards. The final range is 400+ yards.

It can be tempting to wonder which one should you choose.

Close-range shooting distance is ideal for target shooters and those who practice target shooting with their ar-15 rifle. You will need magnification between 1-4x.

UTG 3-9X32 1’’ BugBuster Scope is a great tool to pinpoint your target accession.

A scope with a 150 yard range is necessary if you are going to protect your country from wild animals like coyotes and foxes.

You want a medium-range rifle scope to fit ar-15 rifles. Ar-15 rifles are specifically made for medium-range shooting.

They are extremely popular because they can shoot at medium distances.

Shooters have had remarkable success with Ar-15 rifle scopes. Magnifications required for shooting range from 5x to 9x.

You can also shoot long distances at greater than 9x magnification.

As we have stated, ar-15 rifles are not intended to be shot at 400+ yards. Professionals do not recommend this.

Magnification is essential if you are optimistic about long-range goals. Vortex Optics Viper H.S. Our premium choice. Second Focal Plane Riflescope.

This scope is made for long-range shooting. Before you decide on the scope, consider the distance.


Your scope’s objective lens allows light to pass through the scope. This will allow you to clearly see the target. This label will show the diameter of your objective lenses in millimeters.

Your scope will have an objective lens at the end. It is often larger than your scope.

It is the heart and soul of the rifle scope.

When shooting in low light, 50mm objective lenses are the most common. These lenses are one of the most useful for long-range photography.

Now, the question is: How much light transmission are you able to achieve your type of photography?

For close-range combat, a 50mm objective lens would be too small. To allow light to reach your eyes and brighten distant objects, a larger lens is required.

It is a good idea not to change the one you have chosen for the type and extent of the operation.

Because larger lenses add weight to the scope, they can be more difficult to maneuver. It can cause discomfort by distributing tension, which can strain your shoulders and wrists.

Heavy scopes will need to be mounted higher than usual because they must be proportionate to your cheekbones.

This will make it difficult for fair and accurate adjustments to be made.

It is therefore important to take into account all facts before deciding on the ideal lens diameter. This will help you avoid getting into more problems than you can solve.

You can use any 35mm to 50mm lens for medium-range photography. It would be enough and portable.


There are many options available for reticles. Make sure you check that it fits your rifle.

This is a semi-automatic gun like the ar-15. For a properly-fitted Reticle, it is important to choose one with brightness adjustability and illumination for all environments.

It doesn’t matter whether it’s a sunny morning or after sunset.

The gradual distance reticle can be adjusted by changing the tick marks for each distance. With different parameters, you can choose between red, green, or black. Let’s take a look at some common reticles when selecting an ar-15 scope.


The “duplex”, which is the first primacy-type reticle, is also known as the “duplex”.

A duplex reticle can be a powerful tool when you need to find a target and adjust its distance to shoot your shot.

You can use duplex reticles to target stationary targets at any distance you choose.


Another option is the mil-dot, which can be used to root for moving targets. Although there are many similarities between this and the duplex reticle, it doesn’t have rings. You can use either the vertical or horizontal marks depending on the distance to the target.

This will help you aim your gun at the moving target. Next, use your estimation skills and adjust your scope to determine the target’s speed. Finally, aim with accuracy.


BDC stands for Bullet Drop Compensation. It is also known to be an extension of the duplex reticle. This reticle is great for long distances. It can be used up to 600 yards. If you are a tactical shooter or police officer, an ar-15 rifle with a BDC reticle is your best option.


Simply put, the focal-plan reticle of the first focal plane changes depending on how high magnification is. However, the second focal plane remains the same in size regardless of magnification.

You will notice an increase in magnification for your first focal plane retina.

The image shrinks as the magnification decreases, and the reticle shrinks. The second focal plane reticle remains where it was placed regardless of whether you zoom in and out.

The FFP reticle can be used to quickly acquire targets and simultaneously use windage, elevation, windage lines, and windage lines.

SFP reticles are excellent for hunting game animals at high magnification settings.

The turrets can still be used if they are turned up with an SFP riflescope. No matter what magnification you use aim at the center dot of the reticle.


Parallax errors should not be allowed in a riflescope. An incorrectly aligned focal plane can lead to a blurred field of vision. Parallax adjustment can fix this problem.

Parallax adjustments can be made in fixed yardage. This works best if you shoot at the exact same distance yardage every time. You will need to sight your rifle constantly if your scope doesn’t have this feature.


It is important to inspect the scope’s overall structure. To ensure that the tube can withstand extreme conditions, it should be made of high-quality materials. A waterproof, fogproof, shock-resistant scope material is smart.

It has been shown to protect scopes from adverse conditions. We recommend scope tubes made of aircraft-grade aluminum with purified Nitrogen.


A scope should provide ample eye relief, comfortable eye boxes and an eye box that allows for clear vision. We believe you are familiar with the meaning of eye relief.

Eye relief refers to the distance between your eyes, and the clear view you have. The larger the exit pupil, the more friendly it will be.

Standard eye relief measures between 3.5 and 4 inches. This magnifier is ideal for long-range shooting and offers the greatest magnification.

The standard measurement for long-term eye relief and close range photography is 4.5 inches.

You should find the eye box that is most flexible so you can place your eyes accurately and easily.


It is important to check to make sure that the scope you are looking at purchasing has resettable turbines. You will get a great return on zero with resettable turbines. It is crucial to dial below the pre-set zero when sighting in.

Top 5 AR-15 Scopes under $100

UTG 3-9X32 1" BugBuster Scope, AO, RGB Mil-dot, QD Rings , Black

Some rifle scopes don’t need to cost in excess of several hundred dollars. This package is perfect for Saturday shooters who want to use the AR platform, but are not looking to venture into the high country or deepest swamps in search a trophy critter.

As part of its selling package, the BugBuster still comes with its own set Weaver-style mounts. The knob on the upper turret is adjustable for elevation and is open, while the knob on the side is closed.

This scope uses a 1-inch tube with lockable and return zero-turret settings. The sub-tension and turrets click at 1/4 MOA. They are also equipped with a Mildot lighted Reticle. Flexible field use is possible with the green and red illumination (dot ), which can be set up for either day or night functions. This sub-compact glass sight package offers a tremendous value for money. This scope, however, is not the final word in a budget-optical system. It’s based on functional engineering and materials cost. You get exactly what you pay for. This unit is fun, but it’s not meant for advanced shooting or professional use.

The scope includes two sun shades, bases, rings, lens caps both ends and batteries to power the reticle unit. This package includes everything you need to get started.

Pinty Rifle Scope 3-9x32 Rangefinder Illuminated Reflex Sight 4 Reticle Green Dot Laser Sight

Scopes under $100 are hard to find scopes that offer many additional features. The majority of scopes offer the basics you’d expect from a riflescope. The Pinty Riflescope is an exception to the rule. It is slightly more than 100 dollars, and falls under ar category.

This scope includes a green laser rangefinder and a red/green dots sight. There are four different green patterns included in the reticle. The rangefinder and dot sight both have five levels for brightness control.

The brightness settings allow for high-quality images with clear quality and clarity. The field of view is also impressive. Multi-coated optics improve the quality of your images.

It comes with a Picatinny mounting bracket for the scope mount. This mount can fit both Picatinny and Weaver rails, as well as the 22mm and 11mm Picatinny. This scope is waterproof and fogproof thanks to its nitrogen-filled interior and O-ring seal.

Bushnell Trophy Rifle Scope with Multi-X Reticle, Matte Black, 3-9 x 40mm

Although the Bushnell Trophy is not the most powerful, it presents great value for money. This is a 2-7x scope, as well as a 36mm objective diameter. It also has a 1’ tube.

It weighs 14.3 oz and measures 15.2″x 8.8″,x 3″, making it one of the largest scopes. The Bushnell Trophy 2-7x scope is versatile and best suited to rimfire and rifles. This scope is great for beginners when used in conjunction with the AR 15.

Bushnell scope is fitted with superior-quality, durable glass. It is very affordable for its price. Its 4’ eye relief means that it can withstand enough recoil. The Trophy 2-7x is not as sophisticated as the other options, but it does the job.

The scope’s exterior is made up of a one piece of metal coated with a strong, coating. The scope can adjust the reticle to 1/4 clicks and is able of holding zero with no difficulty. This cheap scope is one of the best scopes available for AR-15, and it comes at a great price.

BARSKA 3-9x42 IR Contour Dual Color Reticle 30/30 IR Riflescope , Black

This scope has the bigest objective diameter on this list. Barska is a revamped sniper scope that can be used with AR rifles. It has a single tube construction. A basic understanding will tell you that sniper scopes can cost thousands of dollars. This scope is not expected to be able to snipe.

It is a great scope, however. It’s a great AR 15 sight for the value, and that’s why it’s here. A few clever design decisions are what have made the scope sniper-style.

The first is a sunshade, which covers the sight. It’s similar to sunshades found on sniper optic. The scope also contains gas, which strengthens the watertight sealant. This allows for clear sight and tracing in all weather conditions, including rainfall and fog. Its rugged exterior housing makes it suitable for field use.

Scope has a unique reticle that features three mildots, which can be changed between green and red colors. This makes range-finding much easier. This also allows for a more accurate holdover while you are aiming on long-range.

Bushnell Banner Dusk & Dawn Multi-X Reticle Riflescope with 3.3-Inch Eye Relief, 3-9X 40mm , Black

The Banner Dusk & Dawn Multi-X reticle riflescopescope is one of our favorite scopes. It’s easy on the eyes, but it’s also easy on your pocket.

It also has many exciting features. It has a 3.3-inch eye relief, and a fast-focus optical eyepiece. This scope has exceptional optical quality. Even in low light, images appear bright and clear.

The optics’ dawn brightness multi-coating improves light transmission even in low light. It can be used at dawn and dusk, as well as during the day. Bushnell offers a 100% money-back guarantee and a limited lifetime warranty.

Its lightweight makes it an excellent choice, especially for AR 15. It measures 12 inches long and weighs only 13 ounces. It does not significantly increase the weight of your rifle.