AR-15 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 eight fastners.
Features and Specifications:
Manufacturer Number: BCG
Length: 7.5″
Weight: 11.7 oz.
Finish: Nitride
Made in the USA
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