Description

This Precision Reflex 18″ Mark 12 Mod 0 SPR Gen II Upper in 5.56 Cal. 1-7 Twist (Black), ready to shoot 5.56 upper is equipped with a 18″ Douglas 416 stainless steel barrel 1-7 twist with a fitted bolt and Full auto carrier, flat-top receiver, PRi flip up front gas block front sight with thumb screw elevation adjustment and rear sight, rifle length gas tube, a Gas Buster charging handle with big latch, and a AE inc brake and collar. The system also comes with a Gen II Rifle length carbon fiber free float forearm and a full length top picatinny rail.