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.
Features:
- M16 Style (Full Auto)
- .223/5.56 Caliber
- Mil-Spec
- Precision Machined
- Heat Treated Steel
- Shot Peened MPI Bolt - 9310 material
- 8620 Gas Carrier
- Made in USA
- Nickel Boron Coating Inside and Outside
- Fits: AR-15 / M16
