The Faxon Firearms AR-15 Bolt Carrier Group is specifically designed for compatibility with both the 6.8mm Special and .224 Valkyrie cartridges providing versatility for your AR-15 platform. Featuring a sleek black finish this bolt carrier group combines durability with a stylish appearance. It's an essential component for those looking to enhance the performance and reliability of their AR-15 rifle ensuring smooth operation and effective cycling of rounds. Whether you're upgrading or building from scratch this bolt carrier group offers the precision and quality associated with Faxon Firearms.