Nickel Boron M16 Bolt Carrier Group

SKU:
BCG556N
$129.00
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  • Nickel Boron coated
  • Milspec Carpenter No. 158® steel bolt
  • Shot Peened Bolt
  • Gas Key Hardened to USGI Specifications
  • Gas Key Grade 8 Hardened Fasteners
  • Gas Key Staked Per Mil-Spec
  • Tool Steel Extractor
  • Extractor Spring
  • Extractor O-ring Insert
  • 223/5.56/300 Blackout