PRI 18″ Mark 12 Mod 0 SPR Upper in 5.56 Cal. 1-7 Twist (07-55618-SPR-RDB7)

This Mark 12 Mod 0, ready to shoot 5.56 upper is equipped with a 18″ Douglas 416 stainless steel barrel 1-7 twist with a fitted bolt and commercial carrier. It also has a flat-top receiver, PRI flip up front gas block front sight and rear sight, rifle length gas tube, a Gas Buster charging handle with big latch, and an AE brake and collar.

The system also comes with a Gen III Rifle length carbon fiber free float forearm and a full length top rail with PEQII removable rail section.

PRI MARK 12 MOD 0 SPR

1. Caliber: 5.56/.223
2. Upper Receiver: Forged T6 7075 Hard coat anodized aluminum
3. Barrel: 18″ 5.56 Douglas 416 stainless steel with M4 feed ramps 1-7 twist
4. Gas Block: Flip up front sight gas block with 2 cross bolts for securing
5. Forearm: Rifle length
6. Rails: all rails plus SPR PEQ II full length top rail
7. BUIS: Rear sight provided that works with gas block sight
8. Muzzle Brake: 1/2 x 28 threaded AE Brake and Collar
9. Overall Length: 27 Inches
10. Overall Weight: 5.2 pounds