This bolt carrier group has everything you need to complete your AR-10, or your AR-10 upper receiver build. Featuring a 9310 steel, phosphate finish bolt, a 8620 steel, chrome lined, phosphate finish carrier, and a S7 tool steel, phosphate finish extractor. Since the Bolt Carrier Group (BCG) is such an integral piece of your AR-15 build, don't settle for anything less than the best.
CMMG is the leading manufacturer of AR-15 rifles, components and small parts. CMMG has carved out a reputation for innovation by engineering AR technologies that blaze new trails.
Model: Bolt Carrier Group BCG .308 AR-10
Bolt: 9310 Steel, Phosphate Finish
Carrier: 8620 Steel, Chrome Lined, Phosphate Finish
Extractor: S7 Tool Steel, Phosphate Finish
SKU: 38BA423Bolt: 9310 Steel, Phosphate Finish Carrier: Extractor: