OORAH! This ACOG is bound to make any platform look operator AF. This is a 3 in 1 package, the main reticle for long distance target acquisition, the RMR on top for close quarters and a pair of iron sights on the left for backup. RMR is light sensitive, turns itself on when it senses light. Includes: Repro Fiber Optic 4X ACOG with RMR RMR cover RMR rail mount Foam padded box Specs: -Adjustable elevation and windage -Parallax free -Multicoated front lens -Easy-install on 20mm rails -Objective diameter = 32mm -Magnification = 4X -Reticle color = Vibrant Green -Eye relief = ~2 inches -Weight = 560g Cash only please! Shipping is included CONUS. Discount on bulk orders.