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. – Magnification 4x – Objective Size 32mm – Reticle Pattern Chevron 3.25 MOA Dot – Day Reticle Color Red – Night Reticle Color Red – Bullet Drop Compensating (BDC) Yes – Caliber .223 / 5.56 – Power Source Fiber Optics & Tritium LED – Eye Relief 1.5 in. (38.1mm) – Field of View (degrees) 0.32° – Field of View (feet) 7 ft. @ 100 yds. (2.33m @ 100m) – Mount Flattop Thumbscrew Mount (TA51) – Housing Material Forged Aluminum – Finish Matte Black – Submersion Depth -66 ft. (-20m) – INCLUDES – 3.25 MOA Trijicon RCR – Thumbscrew Flattop Adapter (TA51) – LENSPEN (TA56) – Lanyard Assembly for Adjuster Caps (TA71E) – Trijicon Logo Sticker (PR15) – ACOG BAC Manual – Warranty Card