Product Description
AR-15 Mil-Spec 5.56 NATO 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:
Bolt: 9130 Steel
Carrier: 8620 Steel
MPI Tested and Shoot Peened
Length: 7.5"
Weight: 11.7 oz.
Finish: Nitride
Made in the USA
