PRI Mark 12 Mod 0 Gen II AR-15 Complete Upper Receiver 5.56x45mm NATO 18" Barrel 1:8" Twist 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.FeaturesForged Upper Receiver T6 7075 Hard coat anodized aluminum Douglas 416 stainless steel 18" Barrel with M4 feed rampsFlip up front sight gas block with 2 cross bolts for securingRifle Length Forearm with Black or FDE Finish SPR Straight Fully Length Picatinny Top RailRear Sight designed for the gas block1/2"x28 Thread with AE Muzzle Brake and CollarOverall Length of 27...