Aimpoint 200174 ACO Carbine Optic 30mm 2 MOA Reflex Red Dot Sight Riflescope Description: Developed with the modern sporting rifle owner in mind, the ACO is ready to mount and shoot directly out of the box. A 30mm aluminum alloy sight tube is paired with a rugged fixed height mount designed to provide absolute co-witness with backup iron sights. The ACO utilizes a two Minute of Angle(2 MOA) red dot to allow maximum target acquisition speed and accuracy at all distances. Aimpoint exclusive ACET technology allows for up to one year of constant-on use from a single DL1/3N battery. With a completely waterproof housing, the sight can be utilized in almost all environmental conditions.Features:- Up to 1 year of constant-on use on a single DL1/3N battery- Completely waterproof – 2 Minute of Angle(2 MOA) red dot with 9 brightness settings- Designed specifically for modern sporting rifles- Ready to mount directly out of the box – Fixed height mount included – designed to provide absolute co-witness with backup iron sights- Full line of accessories to be had- Legendary Aimpoint quality and ruggedness at an entry level price pointSpecifications:- Style: Tube- Magnification: 1x- Sight Window: 38mm- Adjustment Value 100 yards(clicks/in): .5″- Reticle: 2 MOA Dot- Reticle Color: Red- Housing Material: Aluminum- Battery Type: 3N (Included)- Length: 5.1″- Weight: 7.8 oz.- Compatible with firearms such as the Remington 700, ie, and so forth. Genuine GuaranteedYou can buy with confidence as the entire items we sell are authentic products from their respective manufacturers. This can be a genuine brand new Aimpoint sight, not a knock off like you’re going to find everywhere eBay. All of our products come with the same warranty as if you were to shop for that item from the manufacturer directly, brand new in original packaging unless another way stated. We don’t sell knockoffs, Guaranteed!!! We care about our customers and strive to deliver a 5 star experience. Thank you for looking.