M16 Bolt Carrier Group - 9310, Polished Nickel Boron

M16 Bolt Carrier Group - 9310, Polished Nickel Boron

Southern Ways LLC
$139.00
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Description

The polished nickel boron coating is applied by the industry leading plater, WMD. The NiB-X coating provides a very slick surface that makes for easier cleaning and increases reliability. Properly built, no corners cut.

  • 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 Tested (Magnetic Particle Inspection)
    • Polished Nickel Boron Coating (NiB-X)
  • Billet Gas Key
    • Machined from Solid Billet of 4130 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