10 Best Scope Ruger AR-556

The Ruger Ar-556 distinguishes itself from other rifles as one of the first rifles in the century to use gas piston operation. It uses gas for reloading which is a feature that eases and making the shooting process an easy one.

However, despite Ruger Ar-556 and its gas operating system, a great vision is still needed. If you are someone that seeks to increase your shooting results and accuracy, a scope is a must-have for your shooting operations. You must always show up properly prepared.

It is a product of the US firearms company Strum, Roger and co. They are known for making quality rifles for hunting, military operations, competition, etc. However, for you to enjoy the full capacity and strength of this rifle the best scopes for Ruger Ar-556 should be at your disposal.

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The best scope Ruger Ar-556 is a scope that is long-lasting, you should be able to use it for an extended period of time without having to worry about replacing it. Warranty is another thing that needs to be checked closely because a highly durable scope is what would serve your shooting operations for long.

As you’ve already spent on getting a quality rifle, the scope you get should be affordable. There are budget-friendly products that you can get that give great results in terms of vision and magnification. Settling for anything except this would make you have a low-performance level.

Also, the type of scope that you need is one that would give you an edge over your competitors and improve your shooting game. The scope should be easily mountable and compatible with other products. Another thing you don’t want to have to go through is using a scope with uncomfortable parts especially the turrets. This is why we are here to help you.

This article provides you with the perfect solution that there is to this problem. We present you with products that are from notable brands that deliver quality products.

So, if you are in a hurry, here are my top 3 recommended picks of the best Scopes for Ruger Ar-556.

Top 3 Best Scopes For Ruger AR-556

Aimpoint PRO Red Dot Reflex Sight with QRP2 Mount and Spacer - 2 MOA - 12841
Aimpoint PRO Red Dot Reflex Sight with QRP2 Mount and Spacer – 2 MOA – 12841
Designed to deliver premium performance under harsh conditions; 2 MOA dot with 10 brightness settings
Vortex Optics Strike Eagle 1-6x24 Second Focal Plane Riflescope - BDC Reticle (MOA)
Vortex Optics Strike Eagle 1-6×24 Second Focal Plane Riflescope – BDC Reticle (MOA)
The fast focus dial on the eyepiece ensures that your reticle is always sharp; Waterproof, shockproof, and fogproof ensures reliability in all weather conditions
Leupold VX-Freedom 3-9x40mm Riflescope, Duplex CDS (174182) (174182)
Leupold VX-Freedom 3-9x40mm Riflescope, Duplex CDS (174182) (174182)
Leupold Model #174182 – VX-Freedom 3-9x40mm with Duplex CDS reticle and Matte finish; 100% Waterproof, fogproof, and shockproof
−$67.10 $299.99

10 Best Scope For Ruger AR-556

Our top 10 choices of scopes were narrowed down after going carefully scrutinizing each product for their specifications. We also took careful consideration of customer reviews and satisfaction after using these products. Then, we drew our conclusions. Remember, there’s always someone who has used the product you want to buy and what that person says matters. Based on this belief, we made our choices.

1. Vortex Optics Strike AR- BDC Reticle

Vortex Optics Strike Eagle 1-6×24 Second Focal Plane Riflescope – BDC Reticle (MOA)
  • The Strike Eagle 1-6×24 is defined by speed and versatility. Adjust to six power when you need to engage targets at a distance
  • High quality, fully multi-coated lenses deliver a clear, crisp sight picture and optimal low light performance


  • Dimensions: 10.5 x 1.77 x 1.77 inches
  • Weight: 0.78 kg

When it comes to making durable, lifelong and unlimited scopes, the Vortex brand is our top choice. After purchasing this product, be rest assured that you would not be needing any other scope for a long time.

Vortex AR-BDC reticle comes with an updated Strike Eagle that enhances speed and versatility. It can adopt a lot of scenarios with its 1-6×24 shooting range. Shooters have testified to its feature that allows them to take both short-range and long-range shots effectively. What is the best scope for Ruger Ar-556 if it does not fit multiple functions?

You are provided with up-to-date features not only with the Strike Eagle but also with the magnification ring. The ring has been innovated to include a thread-in throw lever that allows you to view the magnification indicators without having to come off the scope. It allows you to quickly determine your range in the best possible way.

The illuminated BDC3 reticle of this scope makes it almost a walkover for you to reach as far as 650 yards. This way you can get your targets quickly and precisely. The Vortex brand is committed to providing ways to make shooting as uncomplicated as possible with their scope.

Another great feature is the fast focus dial of the Vortex Optics Strike Ar-BDC reticle is the fast focus dial on the eyepiece that aids focusing. Its coatings also do not reflect on all air-to-glass surfaces for better illumination.


2. Leupold VX-Freedom 3-9x40mm

Leupold VX-Freedom 3-9x40mm Riflescope, Duplex CDS (174182) (174182)
65 Reviews
Leupold VX-Freedom 3-9x40mm Riflescope, Duplex CDS (174182) (174182)
  • Leupold Model #174182 – VX-Freedom 3-9x40mm with Duplex CDS reticle and Matte finish
  • 100% Waterproof, fogproof, and shockproof


  • Dimensions: 14 x 3 x 2.75 inches
  • Weight: 1.23 pounds

Do you need a rifle scope with a rugged performance? One that would deliver high performance even in the worst environments? Leupold VX-Freedom is a scope made specially for you. As a shooter, you can be at peace after buying this scope because of its dependability.

Leupold creates a remarkable balance between image contrast, glare reduction, image resolution, and brightness. Be rest assured of getting crisp views of images with this scope. Also, it uses a free CDS elevation dial for simplified long-distance shots.

Furthermore, by purchasing the Leupold VX-Freedom you are assured of getting a scope that is resistant to scratches, water, shock and fog. This Leupold product uses a 3:1 ratio that makes it ideal for any shooting operation.

Getting a rifle that is designed, made and structured in the USA, with Leupold is more than just a bias. You get high quality that is unbeatable by its counterparts. It is certainly marked by users for its excellent performance.

Leupold is not merely a popular brand. Its name is based on the kind of quality products that they provide to their users. You get a product that is durable and fits perfectly into any situation and condition you find yourself as a shooter.

best scope ruger ar-556

3. Aim point PRO Red Dot Sight

Aimpoint PRO Red Dot Reflex Sight with QRP2 Mount and Spacer - 2 MOA - 12841
1,145 Reviews
Aimpoint PRO Red Dot Reflex Sight with QRP2 Mount and Spacer – 2 MOA – 12841
  • Designed to deliver premium performance under harsh conditions
  • 2 MOA dot with 10 brightness settings


  • Dimensions: 6.75 x 4.63 x 3.38 inches
  • Weight: 0.49 pounds

If your search is for a rifle scope that would give you high-level illumination especially at night, Aimpoint Patrol scope is highly recommended for you. This scope comes with 4-night vision compatible features that help you to see your shots clearly at night with 6 daylight settings that include one extra bright.

Regardless of the time in the day, you can still accurately make your shots. For enhanced shots, this rifle scope also has 2 MOA red dots that would help you determine the exact distance. Also, you are free from any issues concerning parallax during your shooting operations.

You can continuously use the Aimpoint scope for three straight years without changing the DL1/3N battery that is included. After the battery wears it, replacement costs very little. Not only does this scope give great results, but it is also affordable.

In delivering quality technology, the scope is ahead of its time with the clear front cap that allows for easy acquisition under fire. Accompanied with it are a durable Aimpoint QPR2 mount and a removable spacer that allows for optimal height adjustment.

Although Aimpoint is not as popular as other brands that deal with riflescopes, however, their products come with a feature in which other brands are lacking. Aimpoint fills this gap with their red dot sight that enhances your shooting experience.


4. Vortex Optics Diamondback 3-9×40

Vortex Optics Diamondback 3-9x40 SFP Riflescope Dead-Hold BDC MOA , black
1,873 Reviews
Vortex Optics Diamondback 3-9×40 SFP Riflescope Dead-Hold BDC MOA , black
  • The Diamondback 3-9×40 riflescope is ideal for big game, muzzleloader and slug shotgun applications. The Dead-Hold BDC reticle is good for any hunting or shooting at varying ranges where estimating hold-over would be a concern.
  • Lenses are fully multi-coated for crystal clear, bright images from dawn till dusk. The fast focus eyepiece allows for quick and easy reticle focusing.


  • Dimensions: 14.5 x 2 x 1.73 inches
  • Weight: 1.3 pounds

Vortex Optics Diamondback is your best choice of scope for multiple applications. This scope can be ideally used for your big game, slug shotgun, muzzleloader, and brush hunting application. Be rest assured that your scope would not only be fit for one use.

In cases where estimating holdover is a concern, the Vortex Diamondback Dead-hold BDC makes the difference by increasing your result level. This brand presents you with the highest quality of lens that you can get which is the fully multi-coated lens. From dust to dawn, you are guaranteed of having more than enough illumination to make your best shots.

Furthermore, Vortex is remarkable for the fast focus dial which many shooters trust its focus level for any kind of shot. You can easily make a fast and quick reticle focusing with this dial. Also, by purchasing this scope, you are empowered with the ability to zero reset after sight-in.

This scope has a precision glide erector that makes you track effectively and efficiently. Apart from effective tracking, this rifle scope allows for repeatability that allows you to take multiple measurements. If you are looking for an extremely affordable scope that has a high-performance level, choose this Vortex scope.


5. Nikon M-Tactical 1-4×24

Nikon M-Tactical 1-4X24 Matte MK1-MOA
  • The new m-tactical mk1-moa reticle can be used to estimate range, target size, elevation holdover and wind-drift at designated magnification
  • 30mm main body tube


  • Dimensions: 11.5 x 3.7 x 3.1 inches
  • Weight: 1.47 pounds

Getting a scope that gives you vivid images while shooting is important, Nikon M-Tactical fits perfectly into this category. This scope uses bright and fully multi-coated optics that give you high contrast sights and resolution. The reticles are built specifically to give you reliable eye-relief for good functionality.

Also, Nikon M-Tactical is versatile as you can easily fix it up to the range that best suits your application. With a generous 4x zoom range and a quick focus eyepiece, you are assured of getting a high level of scope performance. It correctly estimates range and offers designated magnification.

This scope comes with a 30mm main body tube and a side focus parallax. These features help in creating a reliable rifle scope that would make you zero most of your shots. It also uses an aircraft- aluminum alloy material that makes it sturdy even in the harshest conditions.

You know how shooters sometimes complain about how their turrets and zoom rings are uncomfortable. But with Nikon M-Tactical you can get ergonomic features from this scope even with gloves or not. You get accuracy most easily.

The Nikon brand does not stop at accuracy but they go further to provide a scope with ruggedness and durability. This scope has reticles that allow for great dialing-in to long distances with high speed. Besides, it is water, fog, and shock resistance.

best scope ruger ar-556

6. Bushnell Drop Zone Reticle Riflescope 1-4x/24mm

Bushnell Optics, Drop Zone Reticle Riflescope with Target Turrets, Matte Black, 1-4x/24mm
626 Reviews
Bushnell Optics, Drop Zone Reticle Riflescope with Target Turrets, Matte Black, 1-4x/24mm
  • 30 millimeter tube dia
  • Drop zone reticle; Field of view (feet at 100 yard) 90 feet at 1X to 23 feet at 4X


  • Dimensions: 13.5 x 3.9 x 3.1 inches
  • Weight: 1.06 pounds

This scope is made with a sleek and compact design that is great to look at and hold. It is lightweight and made with a highly durable aluminum alloy that has the first-grade capacity. Regardless of all these features, it does not compromise on power.

It has a close to mid-range accuracy that gives you an added advantage in short-range applications. This AR-optics 1-4×24 uses capped turrets that offer precise and accurate adjustments while shooting.

With its drop zone reticle, you can aim up to 600 yards by using the set magnification that functions properly. It is designed to be sighted in about 100 yards that use a ballistic feature. Bushnell is scratch and rust proof that complements even the most expensive firearm, your Ruger Ar-556 will function properly with this scope.

By choosing this brand, you are getting the value for your money and spending within your specified budget. It perfectly holds a zero in 100 yards despite its budget-friendliness. You get both a cost-effective and quality scope that performs more than even the basic features of a scope.

This brand would help you get ahead of your competition with its reliable features and deliver results for your shooting that goes beyond your imagination. Try the Bushnell scope if you want to zero on paper in no time.

best scope ruger ar-556

7. Steiner P4Xi 4-16x56mm Rifle Scope

Steiner P4Xi 4-16x56mm Riflescope, SCR Reticle - Compact Tactical Rifle Scope, Hunting Optics
16 Reviews
Steiner P4Xi 4-16x56mm Riflescope, SCR Reticle – Compact Tactical Rifle Scope, Hunting Optics
  • Illuminated Reticle – Rely on Steiner’s SCR illuminated etched glass reticle and front focal plane to accurately engage targets at distances, even in low light
  • Compact and Lightweight – With a compact design, 34mm tube and high-grade aluminum stock construction, this scope provides durability and lightweight responsiveness


  • Dimensions: 14.6 x 14.6 x 2 inches
  • Weight: 1 pound

Steiner P4Xi is a tactical and patrol rifle scope that offers vivid images and a fast-action reticle. This reticle is structured in a way that it can tackle normal daily use and also sudden action. Regardless of what situation you find yourself, this scope is up to the task.

If you are looking for a scope known for its exceptional design and ruggedness, Steiner P4Xi is a suitable answer to your search. The binoculars of this scope are built in a way that makes the scope irreplaceable even in the worst conditions. The view of this Steiner scope is extremely clear and completely fit for your shooting.

Even in low light, you can engage your targets from long distances because of the extended illumination area of this scope. Precise adjustment is guaranteed. With the windage and elevation knobs, be rest assured that the parts of the scope would not fail to deliver quality.

Also, the tubes are made from high-grade aluminum stock that is solid and offers it’s used strength and durability. By purchasing Steiner P4Xi, a ferocious performance is delivered to you at your doorstep. This scope is also submersible in 33ft, whether the weather is cold or hot, Steiner delivers better than its counterparts within its price range.

The p3tr reticle is used to illuminate the concerned area even in low light situations especially with its high contrast options that enhance accuracy. This brand is committed to allowing you to perfectly view your targets regardless of all odds.


8. Nikon P-Tactical .223 3×32

Nikon P-Tactical .223 3x32 Matte BDC Carbine (16526)
342 Reviews
Nikon P-Tactical .223 3×32 Matte BDC Carbine (16526)
  • The BDC carbine reticle provides a 200 yard Crosshair with “hash marks” at 400 yards and 600 yards
  • One inch body tube


  • Dimensions: 11.5 x 3.6 x 3.3 inches
  • Weight: 1.13 pounds

This Nikon P-Tactical scope houses a fully multi-coated optical system. In its one inch, aircraft-grade aluminum is this optimal system that brightens even the most inadequate environments. This rugged scope comes with elevation turrets and windage that are marked for quick adjustments.

Nikon P-Tactical uses a rubberized eye guard with a smooth turn aluminum ring that allows precise focus and acquisition of the target. You can reset to “zero” after sighting to easily reference during field adjustments. It has been carefully sealed with the O-ring sealing that prevents moisture of any kind from entering the scope. Also, it is water, fog, and shock-resistant.

This scope can estimate target size and range distance which allows for better magnification. With it, you can easily determine your shots and accurately position your rifle to get good results. To crown it all, you can optimize the BDC reticles of this scope with a spot on ballistic technology.

One other notable feature of this scope is that you can place it on any mount of your choice to get optimal performance. There is no specific brand’s mount that you must use, all you need is just the right mount for the size and you are good to go.

However, this brand has been accused by users of not producing scopes as they used to. But they are one of the best when it comes to the quality of your vision.

best scope ruger ar-556

9. Bushnell 3-9×40 Riflescope

Bushnell 3-9x40 Riflescope with DZ 223 Reticle , Black
146 Reviews
Bushnell 3-9×40 Riflescope with DZ 223 Reticle , Black
  • Trusted 3-9x magnification range for mid-range shooting
  • Waterproof Construction for use in rugged conditions


  • Dimensions: 18 x 5 x 5 inches
  • Weight: 0.82 kilograms

This scope is a tested and trusted product when it comes to hunting or plinking. With the 3-9 power range, you can get the right magnification for your mid-range shooting. It allows you to shoot easily even up to 600 yards.

Bushnell riflescope uses fully multi-coated optics that give clear, vivid, and well-contrasted images while shooting. This scope has a waterproof construction that allows you the ability to shoot with it under any circumstance. It enables you to have a fast and efficient hit that is on target.

When you use this scope, it gives you a second focal plane that allows you to see vivid images in long distances and short distances. This type of focal plane keeps the reticle size the same even when magnification changes. The scope type is good and works well for all magnification.

Also, the Bushnell rifle scope uses a throw lever that its adjustable length allows for fast magnification changes without gloves. This scope is useful for any rugged usage because of its sturdiness.


10. Bushnell Trophy TRS-25 Red Dot Sight Rifle Scope

Bushnell Trophy TRS-25 Red Dot Sight Riflescope, 1x20mm, Black
12,637 Reviews
Bushnell Trophy TRS-25 Red Dot Sight Riflescope, 1x20mm, Black
  • Matte black featuring a 3 MOA Dot reticle with 11 brightness settings; Mounts easily on most picatinny rails and is compatible with pistols, shotguns, rifles and muzzleloaders
  • Waterproof construction: O ring sealed optics stay dry inside, even when totally immersed in water. Parallax – 50


  • Dimensions: 5.4 x 3.4 x 2.2 inches
  • Weight: 0.23 pounds

If you like a small, compact, and durable scope for your shooting operation, Bushnell is one of the smallest you will find. This scope still gives a strong construction regardless of the beating or condition that performs highly for all types of shooters.

Based on the size, you can easily mount this scope on any suitable platform to get the functionality that you desire. It is compatible not only with the Ar-556 but also with shotguns, pistols, muzzleloaders, rifles and others. The small size is not a barrier to a high level of performance.

Furthermore, you can adjust your red dot brightness to whatever level you want it to be. Also, you can easily use the adjustment dial to get the level that best suits your mode of application. You can tune your brightness level according to your preference.

Also, this scope is useful for a wide range of activities whether it is for a competition or a hunting game, you can get optimum performance out of this product. It comes with unlimited eye relief for users and 11 brightness adjustments to choose from. The scope is also covered with rubber.

best scope ruger ar-556


Yes, your Ruger AR 556 can use a scope that would be mounted on it. This scope would also be as compact and lightweight as the rifle itself. The weight of the scope must be more than that of the rifle, however, a scope can be put on a Ruger Ar-556.

All standard AR types come with a front sight, however, this would not interfere with any optic. You would still be able to get good magnification by using a scope despite the front sight.

This rifle has a 5.56 NATO chamber that makes the .223 Rem. ammo and 5.56 NATO round ammo which is the most popular military ammunition. These barrels are known for their reliability for the Ruger Ar-556.


Your rifle is as good as the scope that you use for it which is why you need to invest in the best scopes for Ruger AR 556. However, there are certain factors you need to take into careful consideration before making your choice about the scope that you need. What would be the best scope for you is one that fits into your mode of application.

One of the factors to consider is your budget. You don’t need to spend excessively on getting a riflescope, what you need to do is get one that suits your work and is affordable. If you just love hunting for fun and not necessarily for competition, then you don’t need a really expensive scope for shooting. Also, as a military personnel, you would need a quality scope from the best brands.

Another factor is the distance you would be shooting from. Some scopes work better for close to medium range shots while others are best for long distances. If you won’t be shooting for more than 100-200 yards, you do not need a scope that shoots as far as 600 yards. However, if you are a long-distance shooter, the best scopes for you are those that fit perfectly for such range.

Besides, you need a scope that would work effectively for you regardless of the environment and weather. In this article, these are the types of scope that you get.

Double major in Engineering and Geology at the University of Minnesota. Experienced shooter & hunter for over 15 years. Certified NRA officer for over 10 years working as a writer at Ballachy.com .

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