The Trijicon ACOG/RCR combo is the ultimate aiming solution for both Close Quarter Battle (CQB) situations and longer distance shots requiring additional magnification. This dual-sighting system gives the shooter a distinct tactical advantage with the option of the Trijicon ACOG and the closed emitter RCR Red Dot Sight. With the quick target acquisition of the RCR sight and the precise aiming capabilities provided by the magnified Trijicon ACOG, the shooter has the ability to select the proper aiming solution for the situation at hand. Truly the best of both worlds.