Designed to deliver quick, intuitive target acquisition in CQB environments, the Bushnell® First Strike 2.0 Reflex Sight features an efficient point-source LED emitter that produces a crystal-clear 3 MOA illuminated red dot reticle with 10 daylight brightness settings for exceptional visibility in virtually any lighting. The rugged aluminum housing delivers proven shockproof performance, while chamfered edges ensure snag-free performance. The fully multicoated lenses offer scratch-resistant performance and maximized light transmission. Operating on one CR2032 battery, the Bushnell First Strike 2.0 boasts a 50,000-hour battery life. Plus, the top-loading battery compartment is easy to replace without affecting zero or removing the optic. Includes high- and low-rise Picatinny mounts.