The Best Scopes for Ruger AR 556 in 2020

The best Ruger AR 556 scope is what you need for the Ruger AR-556. The Ruger rifle, which is an entry-level to middle range sporting rifle, is typically for tactical operations, target shooting and three-gun competitions and is valuable for other applications for which you need it.

A Ruger rifle offers great accuracy at the range, in the field or in the forest. While it is an affordable option, its precision can match with other ARs with double the price.

The AR can be suitable for military specifications, too, despite its entry-level price.

best scope for Ruger AR 556

However, the AR might not be as great as it would be without an excellent scope. For this reason, it pays off to choose a scope to match your needs and skills.

In the following, we’re highlighting the top picks for the Ruger so that you can get more out of it and have a rewarding experience at the field or in the range. We’ve also written what you need to look into when finding this kind of scope.

Quick Answer: The 8 Best Ruger AR 556 Scopes for 2020

  1. UTG 3-12X44 30mm Compact Scope
  2. UUQ 4-16×50 Tactical Riflescope
  3. Monstrum Tactical 3-9×32 AO Riflescope
  4. Bushnell AR Optics 3-9x40mm Drop Zone BDC Reticle Riflescope
  5. Simmons 8-Point 3-9x50mm Riflescope
  6. BARSKA 6.5-20×50 AO Varmint Target Dot Riflescope
  7. Primary Arms 1-8×24 SFP Riflescope
  8. Bushnell Trophy TRS-25 Red Dot Sight Riflescope

First, let’s take a look at the top-rated Ruger AR 556 scopes, then we’ll talk about how to choose the right one for you in our buying guide below.

Best Scope for Ruger AR 556 Reviews of 2020

#1 UTG 3-12X44 30mm Compact Scope

UTG 3-12X44 30mm Compact ScopeThe UTG 3-12X44 is the AR 556 scope to look into for the discerning hunters and shooters that want the most rewarding and worthwhile experience at the range or in the competition.

The 30mm scope is what you need for improved shooting efficiency and precision because it offers a wide magnification range between three and 12 times.

Making it more effective, the scope also is with a 44mm objective lens, which improves sight picture even for long distance shots. The UTG 3-12X44 is a great compact scope also ideal for plenty of applications including hunting, shooting and tactical operations.

The 30mm Compact Scope is an efficient and precise scope designed and built with full 36-color mil dot EZ Tap reticle. With it, you can get a clearer sight picture for improved accuracy.

I also noticed that this product is with a 30 mm tube, which is designed and built on a True Strength Platform for added durability and strength.

And making it more durable for long-term use, the product is nitrogen filled and sealed for better integrity and reliability. Using this product, you don’t need to worry about shock, fog and water.

The optics system is well sealed to resist any grime, dust and dirt as well as shocks and water damage.

So no matter the weather when you’d use the compact scope, you can have peace of mind that the rain or fog won’t interrupt.

More so, I noticed it has multi-coated lenses with emerald coating, making it one of the most durable and sturdiest optics system of all.

I also liked its special housing and circuit design that provides us with an uninterrupted illumination even if used under heavy recoil.

However, its magnification might not be enough for long distance shots.
  • Wide magnification range
  • Precise and consistent adjustments
  • Multicoated emerald lenses for clarity
  • 36-color Mil dot
  • Quite insufficient magnification for long distance shots
But overall, it is still one of the best in class compact scopes to rely on for hunting, tactical shooting and competitions. When you have it, you can rest assured you’re using a fine scope for your powerful rifle that won’t let you down.

#2 UUQ 4-16×50 Tactical Riflescope

UUQ 4-16x50 Tactical RiflescopeIf you’re looking for a compact and solid scope for your rifle that will deliver its performance and give you a fulfilling shooting and hunting experience, you might want to take a look at the UUQ scope.

One of the things I liked about the Ruger AR 556 optics system is its precision and wide magnification range suitable even for long distance shots.

You will have a great time using the illuminated optics, red or green, because it can aid your eyes to see and target better even in the dark.

It is for the same reason the scope is a favorite among tactical shooters and those in the military.

The scope with a green laser also has a tubeless design along with 33 mm reflex lens aperture, offering us a wide view field, such as 15.8 @ 100m. The scope is great to use for rapid firing, moving target shooting and normal shooting.

The scope is also with between four and 16 times the magnification, targeting successfully up to 100 yards. In addition, the scope offers an easy adjustment, aiding our eyes for better accuracy. Thanks to its dual illuminated five brightness settings and a good range finding reticle.

In addition, the UUQ 4-16×50 tactical scopes is easy to mount to any gun without any hassles due to its built-in rail measuring 22 mm.

You can mount it easily to rails with 22 and 11 mm in measurements, like a Weaver or a Picatinny.

However, the scope is with a shorter warranty period, though. I suggest you to contact manufactor and get more detail about product repairing and replacing program. Because of different promotions or different distributors, you might get different warranty period for your scope. You should check carefully about this before purchasing.
  • Ideal for tactical shooting operations
  • 33mm reflex lens aperture for a wide view field
  • Dual illuminated
  • Five brightness settings
  • Great accuracy four dot sizes
  • Easy mounting to any gun
  • Warranty period is quite short
But overall, it is one of best in terms of performance in the field or at the range for its innovative design and features. You might want to take a look at the scope if you’re searching for a reliable and heavy-duty product. It is a high quality scope with waterproof and shockproof features.

#3 Monstrum Tactical 3-9×32 AO Riflescope

Monstrum Tactical 3-9x32 AO RiflescopeWhen shopping around for the best red dot for Ruger AR 556, you might want to take a look at the Monstrum Tactical 3-9×32. It is the riflescope you need for a clear sight picture even at a long distance.

The AO Rifle Scope is also easier to use because it is with an illuminated reticle, making it more convenient to use especially at night. When you have the tactical riflescope, you can ensure of betting sighting ability than other riflescopes in the same category.

The Monstrum Tactical offers a wide range of magnification and offers up to five different brightness levels in green and red light for seeing better even when hunting or doing a tactical shooting at night. So even in a low lighting environment, you can rest assured of using a reliable scope.

This product also comes with an adjustable objective lens, paving the way for a sharper focus of the image. You will also appreciate it can help us with a range estimation and elimination of parallax.

I also noticed that the scope has a durable and heavy-duty construction, giving way for long-term use of the scope. It can handle shock and other harsh conditions, making it ideal for hunting at any weather and season.

However, this product has a smaller objective lens, which some users might not like, though.
  • Ideal for targeting out to at least 300 yards
  • Designed with a range finder reticle for estimating range
  • Built with an adjustable reticle illumination with brightness levels
  • Made with a durable aircraft grade aluminum
  • Nitrogen-filled-and-charged tube for fog proof and waterproof integrity
  • Objective lens size might be too small for some users
But if you’re looking for a great scope to rely on any hunting or tactical shooting operation, you should not think twice but check out the Monstrum Tactical 3-9×32 AO Riflescope. This scope has an aircraft grade 6061 aluminum body construction and ease of use features that make it one of the best scopes for the Ruger AR 556. It’s also reliable for its shockproof and waterproof integrity.

#4 Bushnell AR Optics 3-9x40mm Drop Zone BDC Reticle Riflescope

Bushnell AR Optics 3-9x40mm Drop Zone-223 BDC Ballistic Reticle RiflescopeAnother dependable riflescope to consider for your rifle is the Bushnell AR Optics that has the ease of use and performance functions that every hunter and tactical shooter will appreciate.

One of the things that make it an ideal choice for all skill levels is its accurate Drop Zone BDC reticle, which will help in improving your capability. In addition, the Bushnell Optics Drop Zone scope can offer us with maximum reliability and accuracy, helping us to become masters of any tactical situation.

I also liked that it has the optical precision we need when sighting in an image for better acquisition. When we have the reliable scope with us, we can be certain of a great performance in the field or in the competition.

The scope is especially built for the AR platform, making it the ideal choice even for beginners that want to learn more about their new venture. When you have the scope, you can also have peace of mind of using it on any lighting condition.

Another thing I appreciate about the scope is that it can zero at 100 yards precisely with aiming that can point out to 500 yards. With the scope, we can be certain we can make use of it in mid or long range shooting.

This model is also with fully and multicoated optics, offering supreme brightness. It is designed with a quick focus eyepiece, which can also deliver great accuracy and reliability.

I also noticed that this model is nitrogen-purged, removing any internal moisture and preventing the entry of any moisture or dust in the scope.

However, it might not be for certain shooting styles, though. It might also limit the capability of using low scope rings. You’re recommended to check your firearm’s clearance requirement before choosing scope rings.
  • Optima lighting for its fully multicoated lens
  • Quick focus and reliable eyepiece
  • Rustproof for long-term use
  • Anodized finish and sealed for added durability
  • Durable aluminum alloy body
  • Might not be for some shooting
  • Might limit the possibility of using low scope rings
But then, you can rely on the scope if you’re looking for a heavy-duty and solidly built scope that can deliver no matter the time of day or weather condition.

#5 Simmons 8-Point 3-9x50mm Riflescope

Simmons 8-Point 3-9x50mm RiflescopeThere are many things that can make the best scope for Ruger AR 556 MPR. One must have performance and durability features to ensure of product integrity and reliability in the field. The Simmons 8-Point riflescope deserves the attention to be a top contender as a great scope

The Simmons 8-Point scope has a wide magnification range between three and nine times, ensuring reliability for mid to long range shooting distances.

The 3-9x50mm scope with the Truplex reticle is what you need for robust and sturdy features that make it ideal for long-lasting and heavy-duty use. I liked it is a coated optics system, offering high contrast and bright images, helping us for better target acquisition.

Another thing that makes the scope a great pick for a high-quality Ruger AR 556 scope is its fog proof, waterproof and recoil proof features. That said you could have peace of mind of a heavy-duty and durability of the scope for your tactical shooting and hunting adventures.

I also liked it has great windage and elevation adjustments, which adds to ease of use and convenience. But while it has the solid performance features, it is easy on the pocket.

If you’re a beginner finding a reliable scope while learning what you have to in the new hobby, you should consider the Simmons 8-Point 3-9x50mm Riflescope.

It is ideal not just for professionals but also for beginners trying to get used to with a scope that can help you have a better sight of the picture.

However, it might be bulky for some users, though due to its wide objective lens.
  • High contrast and bright images for its coated optics
  • TrueZero adjustment system
  • Outstanding precision for better target acquisition
  • Precise SureGrip windage and elevation adjustment
  • Recoil proof performance
  • Might be bulky for some users
But then, the scope can be for you if you want a reliable and durable riflescope to rely on for your hunting adventures. Overall, you might want to take a look at the scope for a higher contrast and brighter image you need for shooting at any lighting condition.

#6 BARSKA 6.5-20×50 AO Varmint Target Dot Riflescope

BARSKA 6.5-20×50 AO Varmint Target Dot RiflescopeThe BARSKA 6.5-20×50 is another contender for our Ruger AR 556 scopes for your rifle. It is reliable to work on any conditions without any problems. This scope has a magnification range between 6.5 and 20 times in power.

The AC10048 is one of the best in the category for its compact and solid construction. This product is designed and built with a waterproof and shockproof performance, ensuring its long-lasting use.

Another thing to like about the scope is that it can also perform better for its fog proof performance. Such only means you can rely on it no matter the weather you would be using it.

In addition, this model has multicoated optics allowing for clear images. With its dependability, you can rest assured that it can work well for a long time.

This model also has easy grip high turrets, giving you better precision even if having smaller targets or when using for long-range tactical shooting. In addition, this riflescope is one of the most dependable for its fast access magnification zoom ring.

Another good thing about the BARSKA 6.5-20×50 is its adjustable objective, allowing us to check and correct any parallax error based on the distance you’re shooting at.

More so, I liked that it has an easy to use turret adjustment. This model also comes with a zoom adjustment, allowing us to get up close to our targets without any hassles.

On the cons, there were some reports that it is a bulky scope, though. However, these were just isolated cases that did not make up the majority of the users who love using the riflescope for its efficiency.
  • One-inch mounting tube
  • Clear and high contrast image
  • Generous eye relief
  • Shockproof performance
  • Fully multicoated optics
  • Bulky
Still, it is one of the most decent scopes for Ruger AR 556 for its reliability and performance to last longer and aid in better target acquisition. No matter you’re a tactical shooter or hunter, you can rely on the scope that is built for any seasons. Check it out for a heavy-duty riflescope for your adventures and competitions.

#7 Primary Arms 1-8×24 SFP Riflescope

Primary Arms 1-8x24 SFP RiflescopeThe Primary Arms 1-8×24 SFP is a great Ruger AR 556 sight that has the solid features and functions that make it a top choice among hunters and tactical shooters that want to improve their shooting accuracy.

The Illuminated scope is with a wide magnification range of between one and eight times, making it good even for long distance range. You’ll also appreciate it’s by a top brand that has remained a trusted name in the industry for many years.

When you choose the scope, you’ll have the ACSS reticle, which is one of the smartest. It can combine wind holds, moving target leads and bullet drop compensation in just an optics system.

At first, you might find the best scope for Ruger AR-15 556 a bit more advance that you need to practice and spend some time to learn about it if you were accustomed to using basic scopes with simple reticles.

However, if you would try to learn more about its ins and outs, you will really find it more fulfilling to use the sight. Using it, you can rest assured that you can target better with more precision. It can offer you with lightning quick precision out up to 300 yards as well as an excellent aiming out up to 800 yards.

It is also one of the best in terms of providing us with a clear view of the image through its 24 mm diameter objective lens along with its multicoated lenses. This model also comes with an adjustable windage and elevation using the ½ MOA clicks to find on the capped turrets, which are low in profile.

However, some users might find the objective lens smaller for their targeting needs.
  • Durable and rugged for long lasting use
  • Comes with 12 brightness settings
  • Nitrogen-purged for waterproof and fog proof performance
  • Strong and simple SPF
  • Ideal for mid to long range shots
  • Objective lens might be smaller for some users
But still, there is nothing like the riflescope that can work accurately and help even for beginners trying to get used to with a scope for their rifle.

#8 Bushnell Trophy TRS-25 Red Dot Sight Riflescope

Bushnell Trophy TRS-25 Red Dot Sight RiflescopeThe Bushnell Trophy TRS-25 is a recommended scope for Ruger AR 556. This Red Dot Sight Riflescope is a top choice among hunters because it is reliable for all types of weather and lighting conditions.

One of the things that make the Bushnell Trophy TRS-25 a top pick among tactical shooters and hunters is its durable construction. This TRS-25 is a compact and red dot sight that is with a heavy-duty housing.

It has a strong and solid construction, ensuring it can stand up to the beating and heavy abuse. You will also appreciate that it can perform well even for top-level shooters.

In addition, I liked that the scope is easy to mount and use. I noticed that the sight could work well with many picatinny rails.

I also appreciate that the high-quality scope for Ruger AR 556 is also versatile that can work with different pistols, muzzleloaders, rifles and many more. That said you could rest assured that you’re getting a versatile riflescope to use for many applications.

I would also like to recommend the sight for its easy adjustment dial. The sight comes with an easy adjustment dial, allowing us to adjust the red dot brightness on it using its adjustment dial. We can adjust the brightness based on our choice for a specific situation.

By choosing the Red Dot sight, we can also have peace of mind for using it on a wide range of activities, including shooting competitively. You can also use it at the range or hunting in the hardwoods. Nonetheless, the scope can help us get the job done no matter what it is for versatility.

However, some users might take some time to learn how to use the sight.
  • Waterproof integrity
  • Can be mounted easily
  • Durable metal housing
  • Easy access and use adjustment settings
  • Compatible with pistols and shotguns
  • Might take some time to get used to
But overall, the scope is a top performing, which is versatile and durable, too. It might be for you if you’re looking for a reliable scope that can be used in hunting, tactical shooting and competing.

Buying Guide

Ruger AR 556 Scope Mount

Burris AR-P.E.P.R. Scope Mount

Burris AR-P.E.P.R. Scope MountIf you’re shopping around for the Ruger AR 556 scope mount, you might want to check out the Burris 410344 PEPR. It is an easy to install and use scope mount that can make hunting and tactical shooting more rewarding.

Your day at the field or the competition will be better with a scope mount. It is a 1-Inch Mount that is made of quality materials, ensuring it will last long and provide you with a great service through the years.

Another thing that makes the Burris scope mount is its quick detach feature, adding to its ease of access and use especially among beginners trying to become familiar with scope mounting.

The Burris scope mount is also made with high quality materials, which adds to its longevity. In addition, this product is tested and proven for complete reliability and quality.

More so, the Burris AR-P.E.P.R. Scope Mount is what you need as a solution for base mounting and full ring. It is versatile and top performing for your scope mounting needs.

In addition, the Burris scope mount is the perfect cantilever mount for the AR. I noticed that its design would allow for up to two inches of positioning the scope forward.

This product can also provide you with a great view field and eye relief. It also comes with Picatinny ring tops.

But then, some users might take some time to get used to with the scope mount.
  • Offers a solution for base mounting and full ring
  • Can allow for two inches of positioning the scope forward
  • Comes with Picatinny ring tops
  • Ideal for plenty of uses
  • Can mount for all occasions
  • Might take some time to become familiar with it
Overall, it is the scope mount ideal for hunters, competitive shooters and duty officers. It is the all-occasion mount ideal for mounting solutions and its wide range of options to mount your riflescope onto a Picatinny-style rail or Weaver.

What Makes A Great Ruger AR 556 Scope?

best optic for Ruger AR 556

At the very least, the right scope for the 556 doesn’t need a too wide magnification range or huge optical sights. For many purposes, a nine times the magnification is plenty along with weight that can also be a concern.

One of the things that make a great scope is fast target acquisition, which is something to get from a lower range magnification scope. You will also need a long eye relief and generous eye box.

All these would mean that it could be further mounted from your eye. In turn, it would be having a broad range that lets you place your eye effectively.

But nevertheless, the finest scopes have the durable and high quality construction that is major concerns in selecting the right scopes. You must check out different scopes from reliable makers and with the solid reputation in the industry.

You might want to find scopes with the quality and durability to last longer. It should also have a hard coat anodized and made with aircraft grade aluminum.

Great scopes are also gas purged for fog proof and waterproof performance. They are also of fully multicoated lenses and o-ring sealed.

So while there are many scopes on the market, it would pay off to find a solidly performing scope for your rifle. It is what you need for a wide range of applications including hunting, tactical shooting and competitive shooting.

What Magnification Do You Need?

best Ruger AR 556 red dot

When shopping around for a good scope for the 556, you should pick one that has the correct magnification to match your needs and skill levels.

We recognize that it is challenging to target and shoot over a long range. But then, you don’t have to worry about it if you have a good scope that will eliminate the burden of not being able to sight in a target at a long distance.

It will also help to select an adjustable magnification scope that can help you shoot at varying distances.

With an adjustable one, you can be certain you would be able to alter or modify the magnification level based on your needs.

It is not hard at all to shoot at a short range with the 556, but for the others that want to improve precision, they rely on a good scope with a magnification ranging between one and four times. The scope will add accuracy to the equation.

On the other hand, you might also want to use the 556 for the medium range. For this distance, you will need a scope with a magnification between five and nine times. Using this range, you will be able to bring down your targets easier and faster.

Finally, shooting long range can be tough especially if you have a smaller target. So if you would like to see clearly, you should invest in a good scope with quality magnification.

It is the reason you should find a scope with at least nine times the magnification or higher.

There you have what to know when considering the magnification you need for the 556 scope. It will be based on the distance you’re shooting and commonly dealing with most of the time. Nevertheless, it might be better to pick one that has a wider magnification range for more versatility.

Factors to Consider when Buying a Scope for Ruger AR 556

best scope for Ruger 556 MPR

The best optics for Ruger AR 556 can eliminate the sighting and targeting issues you may encounter in the field or competition.

However, it is tough to pick a good quality scope if you’re unaware of the things to look for when comparing your choices.

In the following, we’ve prepared a guide to help you with the selection process.

Objective lens diameter

It is an important feature to check on when buying a scope for the 556. For most hunters, they opt for a scope with a larger objective lens because it has the ability to capture more light.

It is ideal especially for hunting. For this reason, you might want to go for a larger objective lens if mostly using the scope for hunting at dawn or dusk, in particular for a clearer view of the target.

Eye relief

When choosing a scope, you will find it better to find one that has a more generous and consistent eye relief. This feature has to do with the protection and safety that the scope can offer users with especially from high recoils and a lighter rifle.

Parallax adjustment

It is one of the most important features to look for when comparing your choices especially if you’re a shooter that wants to target and shoot at long ranges. Finding scopes with parallax adjustment will help in improving sight when you have zeroed the scope properly.


It is another feature to check out when selecting the 556 scope so that you can adjust it accordingly based on what you need for the situation. As you may already know, magnification range is not the same across products to find on the market.

If using for home targeting, you can settle for a scope with two times the magnification power. On the other hand, you can find fixed power scopes good for shooting at the ranges. However, you might want a scope with a variable magnification range if targeting and shooting moving targets.


Just as when shopping for any accessories for the 556, you should also look into the price of the product you’re buying.

Even if you have the budget to spend, you will still be able to find good scopes that won’t break the bank.

Such as those we have featured above, you can find topnotch sights without spending a fortune. On the other hand, lower priced scopes do not mean lower quality, too.

Saying all these, you shouldn’t decide based on the price alone. You should do your homework and find a quality scope at the price you can afford.

It should have good reviews from users who can provide useful pieces of advice on what scopes are great even without paying a high price.

Nevertheless, you must decide based on the budget you want to spend for the product. You just need to do your homework and compare your choices well.


Another thing to look for when comparing scopes is the construction material. You should look for a heavy-duty and durable construction to ensure the scope will last a longer time and for many applications.

For one, you might want to find a scope made of aircraft grade aluminum, which is a standard among high quality scopes. It is sturdy and robust in construction, so it can last for a longer time.

Ease of use

Especially among beginners, they must not go for a hard to use scope that will take a long time to get familiar with it.

So when comparing your choices, you should look for one with easy adjustments and quick access dials for a smoother operation and use. In addition, you should find a riflescope that won’t take a lot of time to install and use.

Gas purging

Another thing to look into when finding a good quality scope is its gas purging. It should be nitrogen (or other gases) filed and purged for waterproof and fog proof performance. It will ensure that the scope will provide you with a better and clearer sight picture no matter the weather condition.

Definitely, finding the right scope for the 556 is not easy but time-consuming. But then, you can do well if you would be able to do your homework and spend enough time in comparing your options. What features in a scope are most important for you? What applications for which do you intend to use the scope?

Compare the top picks using the buying guide above and answering these questions. To get started in narrowing your research, you can start referring to our top picks above.


Finding your scope for the 556 begins with knowing the factors to look into when comparing your choices.

A few of these include gas purging, price, ease of use, materials and magnification. By looking into these things to compare different products on the market, you will be able to find the scope that will suit your needs and situation.

To get started finding your 556 scope, you can refer to the top picks we have highlighted earlier and compare their pros and cons. Finally, determine the right sight based on your purpose and plans for using it for the best results. Buy the best Ruger AR 556 scope today!

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