Aimpoint ACO Carbine Optic Red Dot Sight 2 MOA Matte – 200174 Aimpoint ACO (Aimpoint Carbine Optic):Features• As much as 1 year of constant-on use on a single DL1/3N battery • Completely water resistant • 2 Minute of Angle(2 MOA) red dot with 9 brightness settings • Designed specifically for up to date sporting rifles • In a position to mount right away out of the box • Fixed height mount included – designed to offer absolute co-witness with the rifle backup iron sights • Full line of accessories to be had • Legendary Aimpoint quality and ruggedness at an entry level price point Developed with the up to date sporting rifle owner in mind, the ACO is able to mount and shoot right away out of the box. A 30mm aluminum alloy sight tube is paired with a rugged fixed height mount designed to offer absolute co-witness with rifle 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 As much as one year of constant-on use from a single DL1/3N battery. With a fully water resistant housing, the sight can be utilized in almost all environmental conditions.Technical InformationStyle: Tube Magnification: 1x Sight Window: 38mm Adjustment value @ 100 yards(clicks/in): .5″ Reticle: 2 MOA dot Reticle color: Red Housing material: Aluminum Recoil resistance: Not listed by manufacturer Battery Type: 3N (included) Length: 5.1″ Weight: 7.8 oz Warranty: 10 years personal use Buy with Confidence! We are proud of our customer service and of our feedback! Feedback We value our customers!