In a Nutshell:

The long battery life, simple controls, and even easier reticle make the optic intuitive and easy to use for any skill level.

Overall Rating



  • Long battery life
  • Simple controls
  • Easy-to-use reticle
  • Durable and long-lasting
  • Versatile for different applications and weapons


  • N/A
Aimpoint Comp M4s Red Dot Scope

Our Verdict: The long battery life, simple controls, and even easier reticle make the optic intuitive and easy to use for any skill level.

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Writing an Aimpoint Comp M4s review is something I’ve wanted to do for some time now. I’ve used the optic in a variety of roles with a variety of weapons and have always been pleased with its performance.

The Aimpoint line of optics is a high-quality red dot scope that has been used by the U.S. Army, state and federal police forces, and an entire generation of civilian shooters. The Aimpoint Comp M4s red dot is easily the most popular optic of their flagship.

Aimpoint M4s Features and Specs


The Aimpoint Comp M4s is a 1x red dot optic that utilizes a tube design. Aimpoint produced their first red dot in 1975 and since then, they’ve continually improved the concept.

This is a full sized optic that is 4.7 inches long and 2.8 inches high with the Picatinny mount and weighs a mere 9.3 ounces. As you can see by the dimensions, this one doesn’t add a lot of bulk to a weapon and lends itself well to small, light weapons. The Aimpoint M4s mounts to any standard 1 inch Picatinny/Weaver rail — making mounting simple and ready to rock and roll once out of the box.

The Comp M4s utilizes a single, double A battery that lasts an impressive eighty thousand hours of continuous use on a medium power setting. Double As are cheap and easy to find, which is a major advantage in my book. The Aimpoint barely sips at battery power and allows users to leave the optic on and ready at all times.

The Aimpoint Comp M4s differs from the Aimpoint Comp M4 by its placement of the battery compartment which is moved from the top of the optic to the bottom of it. This design gives the former a slightly lower profile.

The Aimpoint features a total of 16 different settings — nine daylight settings and seven designed for night vision which may or may not be a deciding factor for most non-LEO or military users. However, as hunting with night vision is becoming popular, it bears mentioning.

The optic is shock, fog, and waterproof. A significant advantage the tube design offers over the square-shaped red dot is its increased durability and component protection. Additionally, the Aimpoint M4s can be submerged up to a hundred and fifty feet.

The Comp M4s on the Range

When we decided to do an Aimpoint Comp M4s review we knew we wanted to utilize an AR 15 platform, as most shooters are familiar with this rifle.

Mounting the Comp M4s is a breeze and zeroing it is very simple. We zeroed at 50 yards with the AR 15, 16-inch barrel, with 62 grain 5.56 rounds.  Aimpoint’s website offers detailed instructions if you are not familiar with the process, but it’s relatively straightforward.

Controls on the optic are simply a dial you use to turn the optic on and adjust brightness levels. The knob is large enough to use with gloves and textured for a secure grip. 

At the highest setting, there was no noticeable blooming or red dot washout. The dot remains at 2 MOA regardless of the brightness setting. We utilized a setting of five during testing, and we found five to be adequate for daylight shooting on a bright day. For the sake of the review, we also adjusted and tested the brightness at the highest setting. At the highest setting, there was no noticeable blooming or red dot washout. The dot remains at 2 MOA regardless of the brightness setting.

We tested the optic on the AR 15 at seven yards, twenty-five yards, one hundred yards, and two hundred yards on man-sized targets. Man-sized targets were marked at the chest, the pelvic girdle, and T-zone for scoring and precision accuracy evaluation. We were not looking for group size because this optic is designed for rapidly acquiring and shooting targets, not for bench rest.


At seven and twenty-five yards, the optic performs exactly how you’d expect a red dot to perform. Getting on target is incredibly easy to do, and is as simple as putting the red dot on the target and pulling the trigger. Transitions from target to target are rapid, as well as transitioning from chest to pelvis or chest to T-box on the same target. The round tended to hit at the bottom portion of the dot.

At one hundred yards, you begin to appreciate the sharp 2 MOA dot, and at two hundred yards, you start to love it. The small dot allows you to maintain a good view of your target and make precision shotsAt two hundred yards we are stretching the Aimpoint’s combat effectiveness, but don’t have a lot of drop in the bullet. When we get to 300 yards and beyond we have to rely on Kentucky windage, and this is not a very precise method.

This is where we run into the only weakness in our entire Aimpoint Comp M4s review: The Aimpoint is not combat-effective past a few hundred yards. If we had all the time in the world, a drone, supported mission, and a still target, surely we could clean the clock of any paper menace.

Aimpoint Comp M4s Review Conclusion

It was a genuine pleasure to write this Aimpoint Comp M4s review. The optic is fantastic in my opinion. The long battery life, simple controls, and even easier reticle make the optic intuitive and easy to use for any skill level.

An Aimpoint optic may not be able to do it all, but it can handle a variety of different applications on a variety of different weapons.

The Comp M4s is an impressive optic and capable of serving shooters for years to come, proving it is an investment, not a purchase.


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Sources and Official Brand Websites:

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