Olight Osight [red] magwell compatible Mounting: 21 mm Weaver &

Mounting: 21 mm Weaver & Picatinny

Large crystal clear lens with no filters to disturb the image of the world through the sight

lens cover

Combination of nylon and rubber

Fiber optic improves visibility of the sights in good light conditions

Olight Osight [red] magwell compatible Mounting: 21 mm Weaver &This red dot uses the Trijicon RMR footprint standard. Features Industry's First Magnetic Charging Cover: Osight introduces a pioneering magnetic charging cover featuring a battery display that reveals the precise battery levels for both the cover and the optic, making uncertainty certain. (70,000+ hours runtime on lowest mode, 17+ days on the brightest mode, extended to 70+ days with the charging cover.) 3 MOA in Large Window: Boasting a 0. 94 x 0.