Specifically designed for optics-ready pistols, the Bushnell® RXS-100 Reflex Sight features an efficient point-source LED emitter that produces an easy-to-see 4 MOA illuminated red dot reticle for lightning-fast target acquisition, while 8 daylight brightness settings offer exceptional clarity in any lighting. The rugged aluminum housing delivers proven shockproof performance, while beveled edges allow for snag-free carry. Recessed windage/elevation turrets guard against accidental zero deviation when holstered or during storage, and easily adjust with 1 MOA click increments. Operating on one CR2032 battery, the Bushnell RXS-100 boasts a 5,000-hour battery life, and the top-loading battery compartment makes it easy to replace batteries without affecting zero or removing the optic. Plus, this reflex sight boasts a common DeltaPoint® Pro footprint and includes a low-rise Weaver-style mount for rail-equipped long guns. Operates on one CR2032 battery (included), delivering up to 5,000 hours of battery life on the lowest setting.