This product was added to our catalog on Thursday 01 December, 2016.
AR15 556/223/300ACC Nitride Bolt Carrier Group
AR15 Mil-Spec Bolt Carrier Group Assembly is made in the U.S.A. Precision machined 9310 heat treated steel with a corrosion resistant black nitride finish. Full-auto capacity, shot peened MPI Bolt, 8620 gas carrier & gas key fastened with hardened Grade 8 fastners.
Weight: 11.7 oz.