Top 5 Best Reflex Sights for AR15

1Before choosing a good reflex sight that you can attach to your AR15, let us try to understand what a reflex sight is.

Technically, a reflex sight is a red dot sight but its called reflex because of the way it works. When using a red dot sight, know that it has three categories, reflex sights, laser sights and holographic sights.

Click here for the Best Reflex Sight for AR15 available in 2021!

Top 5 Best Reflex Sights for AR15 Comparison

Let us take a look at some of the top reflex sights for ar15 that you can find on the market today:

Sightmark Ultra Shot Pro Spec Sight NV QD

Sightmark Ultra Shot Pro Spec Sight NV QD

What is the best reflex sight for AR15 that you can find for only $100? If you have a hundred dollar to spend on a reflex sight for your AR15, you can check the Ultra Shot Pro Spec Sight NV QD from Sightmark.

This reflex sight offers precision accuracy and comes with a quick detach mounting system hence you can easily attach and detach it from your AR15 anytime you wanted to.

This reflex sight for AR15 has a protective shield that keeps it stable even when your gun produces strong recoil after pulling the trigger. This reflex sight has four reticle patterns. The lens is enclosed in an aluminum body for durability and protection. This reflex sight also weighs just 11.2 ounces and it has a dimension of 3 x 3 x 5 inches. This reflex sight for AR15 can be yours for only $$ (click here for the price).


Trijicon RMR 3.25 MOA Adjustable LED Red Dot Sight

Trijicon RMR 3.25 MOA Adjustable LED Red Dot Sight

Most AR15reflex sight reviews and even regular reflex sight reviews always encourage buyers to get the best that their money can buy hence if you have what it takes, get the best reflex sight for AR15 from Trijicon.

The Trijicon RMR 3.25 MOA Adjustable LED Red Dot Sight has a price tag of more than $600 but once you get to check what it can offer, you would understand why.

This reflex sight has eight brightness adjustable settings and it even comes with night vision brightness settings and a setting for super bright environment. The brightness settings can be adjusted and corrected in just a single push of a button which was strategically position by Trijicon. This is a highly durable reflex sight as well and it can stand even the toughest outdoor condition with its rugged forged aluminum body. Aside from brightness settings, you can easily adjust the windage and elevation setting for this reflex sight. Add it to your AR15 and you can now make your hunting and target shooting practices more exciting and with less misses.


C-MORE Systems Railway Red Dot Sight

C-MORE Systems Railway Red Dot Sight

The Railway Red Dot Sight is one of the best AR15reflex sights from C-MORE Systems and this is available in different sizes, from 2 MOA to 16 MOA.

The price range varies for each size and price starts at $200. The design of this reflex sight is heads up allowing user to have faster target acquisition.

This reflex sight also offer an option to change the intensity of the red dot while the red dot can be changed into different modules as well (depending on user’s preference). C-MORE Systems’ Railway Red Dot Sight also feature an infinite windage and elevation adjustment system plus a positive locking screws for adjustment. This is a rugged and durable reflex sight with its aluminum body. It also comes with a dial rheostat and it can be easily attached to a weaver or a Picatinny rail. This AR15 reflex sight from C-MORE Systems weighs 12 ounces.


Vortex Optics Sparc II 2 MOA Red Dot Sight

Vortex Optics Sparc II 2 MOA Red Dot Sight

The best reflex sight for AR15 from Vortex Optics is the Sparc II 2 MOA Red Dot Sight with a price tag of $$ (click here for the price). One of the great features of this reflex sight is its multi-height mount system allowing the reflex sight to be used with other tactical accessories without affecting the others.

The multi-height mount system is included in the package. This reflex sight is compatible with weaver and Picatinny rails and it works with a CR 2032 Battery. To lengthen the battery life, this reflex sight has an auto shutdown system that works after 12 hours of continuous use. When using your reflex sight at maximum brightness setting, the battery can last up to 300 hours.

However, if your brightness setting is at minimum brightness, this battery can last up to 5000 hours. With the Vortex Optics Sparc II 2 MOA Red Dot Sight, you can now sight with both eyes open without missing your target. The lens produces super clear images with its anti-reflective coatings on all air-to-glass surfaces (multiple coatings applied) allowing users to make accurate aims even at night. Do you love bonuses? With this reflex sight, you will also get a Mossy Oak Vortex baseball hat!


HOLOSUN HS403A Micro Red Dot Sight

HOLOSUN HS403A Micro Red Dot Sight

What is the best reflex sight for AR15 that doesn’t cost much? A standard reflex sight costs around $100 to $300 and you can expect it to be rugged, durable and offers a lot of features like a $500 reflex sight.

If you are within this budget, you can get one of the best reflex sights from Holosun, the HS403A Micro Red Dot Sight for only $$ (click here for the price). What I love about this reflex sight is the battery life. Imagine turning it on for five years without fear of running low on battery?

That is what the HOLOSUN HS403A Micro Red Dot Sight promises. It offers 50,000 hours of battery life with continuous use. This reflex sight goes off after 8 hours of being on but a slight move on the sight can turn it back on to life. This reflex sight is also parallax free hence you can aim and shoot without missing because you can be sure that the red dot is indeed where it should be. The high quality lens of this reflex sight is enclosed in its aluminum body that is MAO finished.

For its price, you will be surprised to find out that this reflex sight is indeed fully waterproof and can survive 100 feet depth of water. For minor issues that you might have along the way, this reflex sight comes with a manual so you can do your own troubleshooting. This reflex sight for AR15 has a dimension of 2.4 x 1.6 x 3 inches and it weighs 4.2 ounces.


Reflex Sight

In a reflect sight, the red dot is being reflected or projected forward from behind the objective lens towards the shooter’s eye, hence the term reflex. The reflection happens because the objective lens is just a mirror and a mirror doesn’t allow much light to pass through it. The objective lens of a reflex sight works like a regular telescope. To make it more competitive, manufacturers often coat their lens or use other technologies like fiber optics and titanium. These things help a reflex sight to work better even in a low light condition.

Holographic Sight

In a holographic reflex, there is a single sighting reticles imposed on the lens via laser transmission hologram. Most shooters call it having a laser with holographic site and the result is like looking at a regular glass. The creation of red dot sight using holographic site is very technical and we don’t really need to get to know it. One thing that shooters must know though is that the hologram laser light being produced by a holographic sight is polarized hence if you are using polarized glasses when using, it might not work well with you.

Laser Sight

The design of laser sight is to reduce firearm recoil when firing. With this, you can see a line from the gun towards the target allowing user to see how he or she will hit the target. The issue with laser light is that as your target gets farther, the visibility of the laser light is also reduced. The laser light is also affected by the brightness of the surrounding hence at day light, using laser sight is not as effective as using it at night.

Why go for a reflex sight for your AR15?

Most AR15 users are hunters and shooters who enjoy shooting games. With a reflex sight, firearm users can now enjoy faster target acquisition with higher accuracy rate when shooting. This is even made more attractive by the fact that most reflex sights can be used under any condition because most of them are waterproof and fogproof. With the help of the best reflex sight for AR15, shooters can now have higher accuracy rate even when hitting a moving target.

The Verdict

There different ar15 reflex sight reviews that can provide you lists of branded and expensive reflex sight for ar15. These things mostly give their one cent based on what the manufacturers have to say with their product and based on customer reviews. If you are looking for the best reflex sight for ar15 that you can use, use these reviews as your guide. However, don’t limit yourself to the products they are talking about. When I bought my first red dot sight, I did it from the store so I can check it myself. It is best to try it first and see if you are comfortable using it before paying for it.

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