Aero Precision AR-15 Bolt Carrier Group – Nickel Boron


  • Machined from 8620 tool steel (carrier) and 9310 carpenter steel (bolt)
  • Forward assist serrations
  • Shrouded firing pin
  • Nickel boron coating inside and out (bolt, carrier, and gas key)
  • Forged MIL-SPEC gas key attached with grade 8 hardware and properly staked.
  • 5.56 NATO bolt is shot peened and magnetic particle inspected
  • MIL-SPEC extractor spring, black extractor insert, Viton O-ring
  • Tool steel extractor
  • Weight 11.52 oz


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SKUAPRH100070 Category

If you’re looking for a top-quality bolt carrier group for your AR-15, look no further than the Aero Precision Nickel Boron Bolt Carrier Group. This top-of-the-line BGC is coated with nickel boron for reduced friction on sliding surfaces and easy cleaning, plus it boasts MIL-SPEC dimensions for correct component function and reliability. When you want the best of the best for your AR-15, choose the Aero Precision Nickel Boron Bolt Carrier Group.


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