Product Description Bootleg 5.56 Lightweight Bolt Carrier Group, Machined From 4140, Nitride Coating, Mil Spec Configuration, Staked Mil Spec Gas KeyProduct Type: Bolt Carrier GroupFinish/Color: BlackDescription: Bolt Carrier Group Bootleg 5.56 Nitride Complete BCG at 3CR Tactical $129.95 Buy Now Check Price on Amazon Check Price on eBay