• M16 Style Carrier
    • Machined from 8620 Steel
    • Heat Treated
    • Final Grind Before Plating
    • Polished Nickel Boron Coating (NiB-X)
  • 5.56/.223 Bolt
    • Machined from 9310 Steel
    • Heat Treated
    • Shot Peened
    • MPI
    • Polished Nickel Boron Coating (NiB-X)
  • Billet Gas Key
    • Machined from Solid Billet of 4140 Steel
    • Properly Seated with Grade 8 Fasteners
    • Properly Staked
    • Polished Nickel Boron Coating (NiB-X)
  • Cam Pin
    • Machined from 4140 Steel
    • Heat Treated and Ground
    • Polished Nickel Boron Coating (NiB-X)
  • Billet Extractor
    • Machined from Solid Billet of 4140 Steel
    • Phosphate Coated
    • Extractor Insert Included
    • Viton O-Ring Included
  • Firing Pin
    • Machined from 8640 Steel
    • Hard Chrome Plated
  • 100% American Made
Direct Link: https://3crtactical.com/product/polished-nickel-boron-bolt-carrier-group-bcg-5-56-223-300blk/