Precision Reflex AR-15 Mark 12 Mod 0 SPR Gen II Upper Receiver Assembly 5.56mm 18" Barrel Black

The PRI Mark 12 Mod 0 SPR Gen II Upper Receiver Assembly is a ready to shoot 5.56 upper, equipped with a 18" Douglas 416 stainless steel barrel with a fitted bolt, and commercial bolt carrier. The Mark 12 Mod 0 SPR has a flat-top picatinny receiver, PRI flip up front gas block, front sight with thumb screw elevation adjustment, rear sight, and rifle length gas tube. It also comes with a Gas Buster charging handle with a big latch and AE Muzzle Brake with collar. The Mark 12 Mod 0 SPR Gen II comes equipped with a rifle length carbon fiber free float forearm in either black or flat dark earth finish. Features Forged Upper Receiver T6 7075 Hard coat anodized aluminum Douglas 416 stainless steel 18" Barrel with M4 feed ramps Flip up front sight gas block with 2 cross bolts for securing Rifle Length Forearm with Black or FDE Finish SPR Straight Fully Length Picatinny Top Rail Rear Sight designed for the gas block 1/2"x28 Thread with AE Muzzle Brake and Collar Overall Length of 27" Only 5.2 Pounds