Bushmaster 0040017BLK QRC Complete Upper 5.56x45mm NATO 16 Black Nitride Barrel Aluminum Black Hard Coat Anodized Receiver MLOK Handguard for AR15
Bushmaster
$452.54
Caliber:223 Rem5.56 NATO Barrel Length:16 Barrel Material:4150 CMV Barrel Finish: Salt Bath Nitride Barrel Thread Pitch: x 28 Twist Rate:1:7 Gas System: CarbineLength Gas System Upper Receiver:7075 Forged A4 Flat Top Bolt Carrier Group: Salt Bath Nitride Bolt Carrier Group Bolt: MPI Tested Bolt Muzzle Device: A2 Birdcage Flash Hider.