Mil-Spec Bolt Carrier Group Assembly is made in the U.S.A. and features full-auto capability, a shot peened MPI Bolt, 8620 Gas Carrier and Gas Key fastened with hardened Grade 8 fasteners. The ultra-hard and corrosion-resistant Black Nitride ensures this BCG's continued reliability and precision.
Features:
- M16 Style (Full Auto)
- .223/5.56 Caliber
- Heat Treated Steel
- Mil-Spec
- Precision Machined
- Shot Peened MPI Bolt - Carpenter 158 Material
- 8620 Gas Carrier
- Made in USA
- Ultra Hard Black Nitride Finish
- Fits: AR-15 / M16
