- .223/5.56 Caliber
- Mil-Spec
- Precision Machined
- Heat Treated Steel
- Shot Peened MPI Bolt – 9310 material
- 8620 Gas Carrier
- Nickel Boron Coating Inside and Outside
- Fits: AR-15 / M16
223/5.56 BCG- Nickel Boron
Original price was: $249.99.$199.99Current price is: $199.99.
AR-15/M16 .223/5.56 Bolt Carrier Group- Nickel Boron (USA Made)
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