BCM AR-15 Bolt Carrier Group – IonBond Flat Dark Earth


  • Ion bonded flat dark earth finish
  • MIL-SPEC carpenter no. 158 steel (bolt)
  • High pressure tested and magnetic particle inspected
  • Shot peened bolt
  • Chrome lined carrier
  • Chrome lined gas key
  • Gas key hardened to USGI specifications
  • Grade 8 hardened fasteners
  • Key staked per MIL-SPEC
  • Tool steel extractor
  • BCM extractor spring
  • Black extractor insert
  • MIL-SPEC crane O-ring


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Looking for a top-of-the-line bolt carrier group for your AR-15? BCM USA has you covered with their AR-15 Bolt Carrier Group in IonBond Flat Dark Earth.

This professional grade bolt carrier group is perfect for those who demand the best in terms of quality and performance. The ion bond finish reduces friction and makes cleaning a breeze, while the chrome lined interior and heat treated gas key ensure durability and long lasting performance.

The bolt assembly is machined from high quality carpenter No. 158 steel and is shot peened for increased strength. It also undergoes high pressure testing and magnetic particle inspection to ensure that it meets the highest standards.

NOTE: All BCM bolt carrier groups are factory test fired. The BCG may show handling marks consistent with these quality control procedures.


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