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
  • Nickel Boron Coating Inside and Outside 
  • Fits: AR-15 / M16

AR-15/M16 .223/5.56 Bolt Carrier Group- Nickel Boron (USA Made)

SKU: BCG-NB
$199.95 Regular Price
$139.95Sale Price
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