The new Centurion 1x20 red dot by Vector Optics, which has been producing sight for firearms, for over 10 years. The body is high-quality 6061 aluminum alloy casting in a durable matte black finish. Additionally sealed to ensure water resistance. Optics glass is covered with an anti-reflective multi-coating. It has a 7-step brightness adjustment of the red aiming point with the size of 3MOA plus one setting for NVG. Elevation and Windage adjustment range 60MOA. Shockproof and tested on 7.62x51mm ammunition. Reflex sight powered by AAA battery (not included). Comes with a high Picatinny rail mountand rubber lens cover.