Aimpoint COA 1x Reflex Red Dot Sight w/ Integrated A-CUT Interface 3.5 MOA Black. This revolutionary optic is designed for use on both slimline and standard size pistol frames. Developed and engineered with focus on the shooting experience the COA combines ease of use reliability performance and innovation in an ultra-compact design. The sleek design lightweight and small size make the COA optic ideal for everyday carry. Built to withstand the extreme stress of recoil the COA optic has been extensively tested and proven with vibration tolerances rated to 40000 rounds of 9mm ammunition. Its enclosed emitter and housing made of high strength aluminum secure its readiness at any time in any condition. The slim frame construction gives this sight model a wide field of view and offers the shooter maximum situational awareness. The compact and rugged Aimpoint COA offer shooters an outstanding shooting experience with a revolutionary mounting standard the new A-CUT by Aimpoint. The simplicity and stability of this mounting solution is unprecedented in its category. (add more on a-cut somewhere) For 50 years Aimpoint has been the trusted choice of police military and civilians worldwide. This standing is maintained by listening to the needs of these end users and designing products that can be trusted to perform under the most demanding conditions imaginable. With standards set for professional use civilian end-users have peace of mind they have the most reliable red dot sights available on the market. Specifications for Aimpoint COA 1x Reflex Red Dot Sight w/ Integrated A-CUT Interface: Manufacturer: Aimpoint Color: Black Fabric/Material: 7075-T6 Aluminum Magnification: 1 x Objective Lens Diameter: 15 mm Reticle: 3.5 MOA Illumination Type: LED Illumination Color: Red Eye Relief: Unlimited Battery Type: Lithium Metal CR2032 Length: 1.8 in Width: 1.1 in Height: 1.2 in Weight: 1.7 oz Quantity: 1 Package Contents: Aimpoint COA 1x Reflex Red Dot Sight w/ Integrated A-CUT Interface Aimpoint PA000489: COA 1x Reflex Red Dot Sight w/ Integrated A-CUT Interface 3.5 MOA Black