ACCURATE – 558 Holographic red green sights allows for accurate, both-eyes-open shooting. 5 red green dot brightness settings provide optimal visibility in any light conditions. FLEXIBLE – Hit targets at all ranges! Durable & Compatible: Tough, the hard-coat-anodized machined-aluminum construction ensures durability. Made of high grade aluminum alloy which makes the red dot sight durable and light weight. Featuring a multi-coated lenses which provide a clean, bright and unobscured point of view. Crisp 2MOA Red green Dot for precision aiming both-eyes-open shooting. Unlimited eye relief for rapid target acquisition.