AR-10 .308 Complete Bolt Carrier Group - TIN COATED Features:
Bolt carrier is made from 8620 steel and nitride coated inside and out
Bolt is made from 9310 steel, each bolt is shot peened, mpi tested, and nickel boron coated.
Chrome lined gas key staked properly
Chrome plated firing pin
Standard dry film lube coated cam pin
Firing pin retaining pin
DPMS compatible. Serrated
Ready to drop in your upper!