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Rock River Arms Chromed Bolt Carrier Group
Provides Smooth, Reliable Cycling. Chromium Plated AR-15 Complete Bolt Carrier Group (Assembly). Fully assembled for your semi-automatic .223 (5.56)AR-15.
Heat treated steel bolt is hard-chrome plated for natural lubricity, positive cycling, and less wear. Both finishes make cleaning extremely easy. Machined to militaryspecs to ensure correct fit and functioning.
Complete with AR bolt, carrier, firingpin, campin, retaining pin. Gas key bolts are staked. Ready to drop into your upper.