V Seven AR-15 BCG Complete Nickel Boron BCG-NiB556. V Seven crafted these Bolt Carrier Groups with a 9310 alloy bolt and 8620 alloy carrier for enhanced durability at a lighter weight than heavier metals. Both components of this V Seven Rifle BCG...
V Seven AR-15 BCG Complete Nickel Boron BCG-NiB556. V Seven crafted these Bolt Carrier Groups with a 9310 alloy bolt and 8620 alloy carrier for enhanced durability at a lighter weight than heavier metals. Both components of this V Seven Rifle BCG...