Top 5 Best Red Dot For Ruger AR-556 » Best AR 556 Red Dot Scope

best red dot for ruger ar 556

If you have a Ruger AR-556, you might want to install a good scope on it to get the best shooting experience. In today’s post, we will be looking at the best red dot for Ruger AR-556. In addition, we will share some of the features you need to keep in mind for you to make a well informed purchase.

In 1953, Ruger created a new precision investment casting method to produce higher quality materials with higher precision and less waste. A technique still used today in the aerospace, golf, and automotive industries.

The Ruger AR-556 is one of the most affordable modern sports rifles on the planet. In the hands of a capable shooter, this rugged and popular rifle can be used right out of the box and can shoot MOA swarms. You only need the right optical components.

The bad news is that once you realize how many good options there are, you may be a little overwhelmed. Well, do not worry. We got you covered.

Best Scope For Ruger AR-556

The best red dot for Ruger AR-556 should come with high-quality glass to provide you with the best images across all the magnification levels. In addition, the scope should be made of high-quality materials for strength and rigidity.

Before you get to the product reviews, it is important to define your shooting requirements to make the selection process easy. In addition, this will ensure you do not make the expensive mistake of buying a scope that does not fit your shooting needs.

We have assembled this guide to help you find the best red dot for the Ruger AR-556 shooting application.

Here is a list of our top picks to help you get started.


Vortex Spitfire 3x Prism Scope – Best Overall



The exceptional feature of this scope is that you can easily adjust the elevation and windage depending on your shooting needs. This helps to eliminate any guesswork in your shooting application.

The reticle of the scope is illuminated, it reticle includes five intensity settings, allowing you to use the scope in almost any lighting situation.

The etched reticle ensures a consistent point of aim at all times. In addition, it also comes with a lifetime warranty.

We recommend this scope because of the weatherproof construction.


  • It has been nitrogen gas purged to prevent internal fogging
  • It includes O-ring seals to guard against moisture and dust
  • It includes two Picatinny rails set atop of the scope at 45-degree angles

Aimpoint PRO Red Dot Scope

red dot for ar556

This makes it an excellent choice for most shooting applications that take place in dimly lit conditions.

The exceptional feature of this scope is the excellent battery life. It can last up to 3 years, even after continuous use. This makes it ideal for outdoor shooting applications.

This scope comes with a 2 MOA reticle designed for precision shots. This means that it is excellent for shooting applications where fast target acquisition is necessary.

This scope comes with a lifetime warranty, which will ensure your scope is repaired or replaced if it suffers any damage.


  • It comes with 10 different brightness settings
  • It is made of high quality materials
  • It comes with a lifetime warranty

Aimpoint Carbine Optic (ACO)

red dot for ar556

This scope uses an AA battery, which lasts for just one year. This is a concise life when compared to the other competitors within the same price range.

This red dot sight comes with 9 different brightness settings, which ensure accurate sight. This means that you will be able to use it in almost any lighting situation.

This red dot sight is very affordable but does not compromise on quality. We recommend this scope for hunting, fun shooting, and self-defense. This is because it offers you a more precise shot.

The single piece tube is made of 30 mm aluminum alloy. This scope weighs only 7 pounds. It allows you to use it for a long time because it will not weigh you down.


  • It has a 2 MOA red dot for fast target acquisition
  • It features a 30 mm aluminum alloy
  • It comes with 9 different brightness settings
  • It uses an AA battery which lasts for just one year

Vortex Optics Strikefire II Red Dot Sight

red dot for ar556

This red dot sight is powered by a CR2 battery. This means that you can have a backup when hunting.

The rugged construction of this scope ensures that it will last for a long time. The sturdy construction also ensures it can withstand powerful recoil and impact.

The exceptional feature of this scope is the unlimited eye relief. This means that you can easily aim at targets with both eyes open.

This scope comes with different brightness settings, allowing you to use the scope in any lighting situation. It also comes with two night vision setting. This means that you can use the scope for hog hunting.


  • It is compact and lightweight
  • It offers you 10 different brightness levels
  • It provides unlimited eye relief

Bushnell TRS-25 Red Dot Sight – Best Value

best optics for ruger ar 556

The exceptional feature of this scope is that you can adjust the brightness easily based on your shooting application. It comes with 11 adjustments, which provides you with sharp pictures.

It is compatible with most Picatinny rails, which are found in most firearms today. This scope features a sturdy construction that can last for a long time.

It is important to note that you can submerge it in water up to 10 feet in depth. This makes it a great scope for tactical shooting applications.

We recommend this scope for competitive shooting and hunting as well. You can also use it for home defense shooting applications.


  • It features a compact design
  • It is easy to mount on the AR platform
  • It provides you with clear glass suitable for different shooting applications

Factors to Consider When Buying the Best Red Dot for Ruger AR-556

The best optics of the Ruger AR-556 can eliminate the aiming and aiming problems you may encounter in the field or competitions.

However, it is not easy to choose a good quality sight if you do not know what you are looking for when comparing options.

We have prepared a guide to help you through the selection process.

Objective Lens Diameter

An important feature to check when buying a scope for the 556. Most hunters choose a scope with a larger objective lens to capture more light. Especially suitable for hunting.

For this reason, if you mainly use the scope for hunting at dawn or dusk, especially to observe the target more clearly, you may need a larger objective.

Eye Relief

When finding a range, you will find that it is best to find a range with a more expansive and consistent eye distance. This function is related to the protection and safety that the scope can provide users, especially in high recoil and lighter rifles.


This is one of the essential features to look out for when buying the best scope for Ruger AR 556. It is important especially if you are using the scope for medium to long range shooting applications. Finding a scope with a parallax adjustment function will help you improve your vision after correctly zeroing the scope.


Just like when buying any accessories for the 556, you should also check the price of the product you are buying. Even if you have a budget, you can still find a good scope that will not destroy the bank.

For example, the ones we introduced above can find top-notch attractions without spending much money. On the other hand, a low-priced scope does not mean low quality.

In summary, you should not decide based on price alone. It would help if you did your homework to find high-quality products at a price you can afford.

Ease To Use

Especially for beginners, do not buy a scope that is difficult to use. It will take a long time to be familiar with it.

Therefore, when comparing your options, you should look for easy to adjust and quick access to the dial for smoother operation and use. In addition, you should find a scope that does not take much time to install and use.


After reading the reviews and buyer’s guide, we hope you have a better understanding of what you need when looking for the best red dot for AR 556. These factors to consider include price, ease of use, and magnification.

By studying these things to compare different products on the market, you will find a range that suits your needs and circumstances.

In general, the advantage of Ruger AR-556 lies in its excellent versatility. You can assemble it into a tactical rifle, a home defense gun, a hunter, or anything else you might need as long as you have the proper scope.

By now, you should have everything you need to choose the best red dot for Ruger AR-556 for your specific rifle and your specific needs. Whether you want to is it for 3 Gun competitions, a defensive gun, or just a fun gun within the scope, we hope that you found a reliable scope for the money.