Blackout Defense Complete Dual Taper Lock .300 AAC Upper Receiver Group Forward Assist 13.9in Pistol Black URG-DTL-300BLK-13.9-FWD-BLK. The upper receiver and handguard are precision machined to achieve perfect alignment giving a monolithic-like...
Blackout Defense Complete Dual Taper Lock .300 AAC Upper Receiver Group Forward Assist 13.9in Pistol Black URG-DTL-300BLK-13.9-FWD-BLK. The upper receiver and handguard are precision machined to achieve perfect alignment giving a monolithic-like...