AR-15 Bolt Carrier Group Assembly MPI - Black Nitride (Made in USA)
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Each of our Mil-Spec Bolt Carrier Group Assemblies is made in the U.S.A. and feature 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
- Mil-Spec
- Precision Machined
- Heat Treated Steel
- Shot Peened MPI Bolt - Carpenter 158 Material
- 8620 Gas Carrier
- Ultra Hard Black Nitride Finish
- Made in USA
- Fits: AR-15 / M16
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