NBS AR-10 / 308 / 6.5 Creedmoor Dual Ejector Bolt Carrier Group - Black Nitride

This NBS Black Nitride .308 Complete BCG is compatible with any AR10, 6.5 Creedmoor, .308 or 7.62x51 rifle that follows the DPMS pattern. The carrier includes forward assist serrations and the bolt is (MPI) certified. The double ejectors address the problems most rifle builders encounter with AR10 variant calibers, and with the addition of a second ejector, you can expect flat loading, powerful and consistent ejection. Bolt: MPI Inspected 9310 Alloy Steel Hardened Steel Extractor Double Ejector Milspec Gas rings (3) Black Extractor Insert Bolt Carrier: 8620 Steel Heavy Duty Full Cut Design Grade 8 Gas Key Screws, Staked Gas Key Material - 4140 Cam Pin: 8620 Steel Nitride Finish Firing Pin: Mil-Spec Firing Pin