PRI AR-15 Mark 12 Mod 0 SPR Gen II Upper Receiver Assembly 5.56x45mm 18″ Barrel

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 PoundsÂ