Product DescriptionBurris FastFire III Red-Dot Reflex Sight 3 MOA Dot With Picatinny Mount, Matte Black - 300234.
Bright red dot allows for fast target acquisition and easy aiming. Compact and lightweight. 1x magnification allows both-eyes-open shooting. Parallax-free. Mounts to handguns, rifles and shotguns using Burris mounting systems. Automatic brightness sensor adjusts brightness to match the environmental conditions. Features 3 manual brightness settings. Windage and elevation adjustments. No special tool required. High-grade optical glass. Index-matched, Hi-Lume multicoating. Waterproof and shockproof. CR1632 battery included. Battery access is conveniently located on the top of the sight.