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AR-15 Bolt Carrier Group (BCG) Nitride MPI 5.56/.223


Nitride MPI 5.56/.223 Bolt Carrier Group (BCG)

Product Specs:

  • .233/5.56 NATO
  • Salt bath nitride finish
  • M16 cut
  • 9310 steel carrier
  • Carpenter 158 steel bolt
  • 4140 steel extractor
  • MIL-SPEC O-ring
  • MIL-SPEC gas rings
  • 4140 steel cam pin
  • 8740 steel firing pin with hard chrome finish
  • Magnetic particle inspected
  • Proudly made in the U.S.A.

Check out more Bolt Carrier Groups here.

Weight1 lbs


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