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Aimpoint ACO Red Dot Reflex Sight 2 MOA with Mount - 200174

4.6 4.6 out of 5 stars 89 ratings
$349.00
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Purchase options and add-ons

Brand Aimpoint
Color Red
Product Dimensions 4.8"L x 2.2"W x 2.2"H
Sport Hunting
Item Weight 7.8 Ounces
Material Aluminum
Magnification Maximum 1 x
Objective Lens Diameter 30 Millimeters
Magnification Minimum 1 x
Compatible Devices Handgun, Rifle

About this item

  • Aimpoint quality and performance at an entry-level price.
  • 2 MOA dot with 9 low light and daylight brightness settings.
  • Includes mount configured for absolute co-witness with standard height sights.
  • Up to 1 year of continuous operation using one DL1/3N battery (included).
› See more product details

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Aimpoint ACO Red Dot Reflex Sight 2 MOA with Mount - 200174
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Top Brand: Aimpoint

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Product Description

red dot sight; rifle scope; vortex red dot; aimpoint micro; aimpoint aco; aimpoint;
aimpoint aco

Aimpoint ACO Red Dot Reflex Sight with Mount - 2 MOA - 200174

  • Up to one year of constant-on use from a single DL1/3N battery (provided)
  • Completely waterproof
  • 2 MOA red dot for fast target acquisition
  • Fixed height mount included
  • Full line of accessories available
  • Legendary Aimpoint quality and ruggedness

aimpoint aimpoint aimpoint micro aimpoint aimpoint red dot aimpoint pro aimpoint red dot aimpoint
aimpoint comp m4; aimpoint pro patrol rifle optic; aimpoint t2; aimpoint sight; aimpoint 200174
FLIP-UP FRONT COVER
FLIP-UP REAR COVER
FLIP-UP FRONT COVER TRANSPARENT
FLIP-UP REAR COVER TRANSPARENT
ARD KILLFLASH FILTER
Buying Options
Buying Options
Buying Options
Customer Reviews
4.6 out of 5 stars 190
4.7 out of 5 stars 191
4.7 out of 5 stars 139
4.4 out of 5 stars 108
4.6 out of 5 stars 289
Price $30.00 — — — $58.00
Product Code 12223 12224 12241 12240 12239

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Aimpoint ACO Red Dot Reflex Sight 2 MOA with Mount - 200174

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Customer reviews

4.6 out of 5 stars
89 global ratings

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Customers say

Customers find the aiming scope sight good value for money. They appreciate its quality, durability, and good looks. The sight picture is clear, with multiple brightness levels, and it works well at various ranges.

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Value for moneyQualityLookOptic qualityAimpointWorks well
11 customers mention "Value for money"8 positive3 negative

Customers appreciate the product's value for money. They say it's an excellent product for the price and that the extra features are worth it.

"...This option was perfect and at a fraction of the cost. Looks good, works good! It’s an Aimpoint!" Read more

"...Worth the money!" Read more

"There is no arguing against the quality of Aimpoint products. Pricey yes but that is the nature of high quality items." Read more

"...but if you can get this at a good price it's a fine optic with all the quality you'd expect from an Aimpoint..." Read more

8 customers mention "Quality"8 positive0 negative

Customers are satisfied with the product's quality. They say it's a good RDS and durable.

"...Lets be straight forward, the ACO is an Aimpoint so its durable and still generally better than most other non-Aimpoints; in this regards are in a..." Read more

"Amazing and so accurate when you zero it! Looks awesome, fits perfectly on my Colt M4 Carbine." Read more

"Great product without the frills and bells of the Aimpoint Pro. Slightly reduced battery life and a bit simpler mount...." Read more

"...Pricey yes but that is the nature of high quality items." Read more

6 customers mention "Look"6 positive0 negative

Customers like the product's appearance. They say it looks good, works well, and has a nice red dot. The sight picture is perfect and clear.

"...This option was perfect and at a fraction of the cost. Looks good, works good! It’s an Aimpoint!" Read more

"...issue as I couldn't easily resolve the targets, but the sight picture was perfect...." Read more

"Amazing and so accurate when you zero it! Looks awesome, fits perfectly on my Colt M4 Carbine." Read more

"Obviously it's a great red dot, but I'd prolly do the PRO if I could do it over again, comes with a few extras I think are worth it." Read more

6 customers mention "Optic quality"6 positive0 negative

Customers appreciate the optic quality. They find the sight picture clear with multiple brightness levels. The sight is easy to work with, adjust, and accurate at various ranges.

"...Other notes: The sight has multiple of levels of brightness. The first three were invisible until I turned off the lights in my office...." Read more

"...Sight is easy to work, easy to adjust, accurate at variable ranges. Worth the money!" Read more

"...but if you can get this at a good price it's a fine optic with all the quality you'd expect from an Aimpoint product...." Read more

"Excellent optic for CQB and any fast paced running and gunning. Highly recommend only gave 4 stars because it arrived with no lens covers" Read more

3 customers mention "Aimpoint"3 positive0 negative

Customers like the product. They mention it's an aimpoint and there's nothing more to say.

"its aimpoint what more needs to be said i only regret not buying it sooner" Read more

"It's an Aimpoint. You know it's good...." Read more

"Its an Aimpoint so its great, but other Aimpoints are better..." Read more

3 customers mention "Works well"3 positive0 negative

Customers like the aiming scope sight. They say it works well, but is no frills and barebones.

"...This option was perfect and at a fraction of the cost. Looks good, works good! It’s an Aimpoint!" Read more

"...It works, and works well, but is no frills and barebones." Read more

"Works great, accurate" Read more

Great general use red dot sight...
5 out of 5 stars
Great general use red dot sight...
I love Aimpoints. With a Comp M3, a T-1, 2 PROs, I decided to go with an ACO to go with an MP5 since I have a spare lower Aimpoint mount to use with this optic, and covers can be added at a later time.It includes a battery and 2.5 mm hex wrench to remove the included AR clamp mount.I notice that the red dot looks no different from the others of this form factor.The dot is plenty bright for daylight. I don't have any night vision gear, so this is appropriate for my use.I already have a Scopecoat cover to use with this for protection while it goes without the flip covers.It would be nice if Aimpoint included a bikini cover for protection.Overall, for the low price I paid, this is a great optic well worth the money for entry level AR users or for users who already have accessories to use with this optic.
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Top reviews from the United States

  • David
    5.0 out of 5 stars Incredible Optic!
    Reviewed in the United States on January 20, 2025
    Verified Purchase
    We run the comp m4 & m5 on our duty rifles. I wanted something similar to run on my personal rifle without spending a fortune. This option was perfect and at a fraction of the cost. Looks good, works good! It’s an Aimpoint!
    Helpful
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  • Kwan L. Lowe
    5.0 out of 5 stars No complaints
    Reviewed in the United States on June 7, 2024
    Verified Purchase
    Some context beforehand: I shoot paper and stationary metal targets only. No egressing from planes or even run and guns, just short range (25yds) mostly indoors at an air-conditioned range. I attached this to a Springfield Hellion rifle and a Sig 516.

    Installation was easy enough but took a few tries to get the right height. I'd done this at home with the intent to adjust at the range, but would have been easier with a laser boresighter or similar tool. If you're doing this at the range, carry a 10mm socket wrench or tool along with you. At the indoor range it was a max of 35yds and I didn't need to adjust elevation or windage.

    Battery installation was also easy, but I did put the battery in the wrong way on the first attempt. Should have read the instructions:.

    The sight picture is quite clear. I am nearsighted and with my prescription lenses and protective glasses I could easily acquire those fast moving paper signs. First shots were with a target with four bullseyes on each corner. At about twelve yards I was able to easily hit the four 2" circles in about 3 seconds based on a shooting app. At 20 yards, it took 4.5 seconds. I hit 3/4 of the 2" targets. This was mainly a vision issue as I couldn't easily resolve the targets, but the sight picture was perfect. The rest of the day was spent on various targets and I was victorious against all of them. With the Hellion, it was lots of fun because I could easily move from target to target and hit everything. On the dynamic range where targets appeared for about 3 seconds before dropping automatically, I easily hit all the large 5" targets at 15 yards and did pretty good against the smaller targets.

    Other notes:
    The sight has multiple of levels of brightness. The first three were invisible until I turned off the lights in my office. At the brightest levels indoors there was a bit of a halo and fuzziness but this is mostly because of my prescription lenses. Outdoors on a bright day the brightest settings were visible. I did not test actual firing though.

    The height of the sight when installed means that it doesn't fit in the Hellion soft case. I haven't used that case since I purchased the Hellion but keep that in mind as you'll need to buy another case if you want to transport with the sight on.

    No sight cover or reticle cover is included. Not a big deal as these are available cheaply from other places, but some of my other sights include them.

    All said, I'm very satisfied with the scope and will purchase another couple for other rifles.
    2 people found this helpful
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  • ICE_Tech
    5.0 out of 5 stars It's an Aimpoint. You know it's good.
    Reviewed in the United States on January 30, 2024
    Verified Purchase
    I bought this because I didn't want to spend the money on another T2. I am very pleased that I did. While it is bigger and heavier than my other Aimpoint, it was also much easier on the wallet. I would recommend this sight all day long.
    5 people found this helpful
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  • Brian Cox
    5.0 out of 5 stars Aimpount Carbine Optic - Great Optic at a reasonable price
    Reviewed in the United States on July 12, 2015
    Verified Purchase
    I looked at many other more expensive optics for my AR. After reading many positive reviews as well as watching several videos, I decided to purchase the Aimpoint Carbine Optic. I am very glad that I did purchased this optic.

    I recently added a 3x tripler to compliment this optic which now will allow me to take further shots at the range as well as when I am hunting.
    16 people found this helpful
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  • christopher jackson
    4.0 out of 5 stars Its an Aimpoint so its great, but other Aimpoints are better
    Reviewed in the United States on April 3, 2023
    Verified Purchase
    I bought two of these because at the time the Aimpoint pros were sold out everywhere. Lets be straight forward, the ACO is an Aimpoint so its durable and still generally better than most other non-Aimpoints; in this regards are in a league of their own. Aimpoints are like Surefires, its hard to go wrong.

    Having established that Aimpoints are fantastic, lets get into the weeds. I'm using the Comp M2 as a base line. The mount is just good enough to do the job, but it could be much better, the old Comp M2's had better mounts. Its not NV capable, pros and the Comp series are, its not guaranteed to be submersible to the same depths as a Comp M2. The Comp M2 came out in the late 1990's and its still better than an ACO in every way except the dot size.

    Overall I'd say save you money for a PRO, for about $60 to $80 more you get a RDS that is superior in every way possible. If you can find one used and returned for less than $400, it might be a good buy. I own two ACO's and while my review was critical, I still like them and will keep them, they're still better than most other non-Aimpoints RDS's. Basically its a good RDS and should serve you well.
    13 people found this helpful
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  • Ryan swigert
    5.0 out of 5 stars Can’t go wrong
    Reviewed in the United States on July 3, 2023
    Verified Purchase
    It’s aimpoint enough said
    2 people found this helpful
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  • Drew Mitchell
    5.0 out of 5 stars Five Stars
    Reviewed in the United States on April 25, 2017
    Verified Purchase
    Amazing and so accurate when you zero it! Looks awesome, fits perfectly on my Colt M4 Carbine.
    One person found this helpful
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  • Brian Calhoon
    5.0 out of 5 stars Great Red Dot
    Reviewed in the United States on December 13, 2016
    Verified Purchase
    Purchased this to mount on an AR build, and VERY happy with it. Sight is easy to work, easy to adjust, accurate at variable ranges. Worth the money!
    3 people found this helpful
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