Picture of 5.56 Bolt Carrier Group/Nickel Boron

5.56 Bolt Carrier Group/Nickel Boron

SKU: BCG-NiB
$0.00
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  • 8620 Steel Carrier
  • 9310 Steel Bolt HPT/MPI
  • NiB coated carrier/bolt
  • Magnetic Particle Inspected
  • Shot Peened
  • Serrated for use with Forward Assist
  • 17-4 Stainless Steel Gas Key 
  • S-7 shock resisting tool steel Extractor
  • Staked Gas Key
  • 17-4 stainless steel firing pin