Bravo Company BCM 12" Gunfighter QRF quad rail handguard for the AR-15. The free-float aluminum rail carries a full-length MIL-STD-1913 Picatinny rail on all four faces, giving you uninterrupted mounting surface for optics, sights, lights, and accessories around the full circumference. Black finish. Features: Free-float quad rail handguard, 12" Picatinny rail on all four faces Aluminum construction, black finish Mounts on the BCM QRF barrel-nut system Installation requires removing the factory handguard and barrel nut and fitting the BCM QRF barrel nut. Confirm gas block clearance under the rail before ordering.