AR-15/M16 .223/5.56 Bolt Carrier Group - Nickel Boron (Made in USA)
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.
- M16 Style (Full Auto)
- .223/5.56 Caliber
- 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
WARNING to California Residents: ⚠️ According to California's Proposition 65, some products sold on this website may expose you to chemicals which are known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.
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All orders ship out within 48 business hours
- Product Code: BCG-NB
- Availability: In Stock