Enhanced Bolt Carrier Group 5.56 Nitride Black

There are a number of critical components on an AR-15, but one of the key elements of any AR rifle is the bolt-carrier group, and it's the performance of this critical internal component that can make or break the performance of your gun. That's why CMC Triggers developed its AR-15 Enhanced Bolt Carrier Group, which incorporates a number of must-have features designed to enhance your AR-15. Each CMC Triggers AR-15 Enhanced Bolt Carrier Group is machined from case-hardened 8620 steel and features a flared rear assembly that prevents the carrier from canting or tilting during recoil. The carrier also features relocated bearing surfaces designed to ensure smoother, more-reliable Mfg: Cmc Triggers