Q AR-15 Two-Piece Stainless Steel Black Nitride Bolt Carrier Group

The Two-Piece Bolt Carrier Group.The Two Piece BCG is designed to be manufactured on modern equipment using modern materials. Q's BCG consists of 2 sections; The Front-End and The Ass-EndThe front end is made up of Maraging Stainless Steel dressed in black with a Nitride Coating, and is SCAR-Cut to help prevent bolt bounce. Standard with:Mil-Spec Gas Key and StakingMil-Spec BoltMil-Spec Cam PinMil-Spec Firing PinThe Ass-End is naked Stainless Steel, heat treated of course and yes, the overall length is Mil-Spec.The Ass-End holds the firing pin, doing away with pesky firing pin retaining pins. No more broken pins. You're welcome. The Carrier is retained with a single Pin allowing for easy field stripping.