AR10 Black Nitride Bolt Carrier Group

$155.00

  • 3.08/7.62
  • 8620 Steel Carrier
  • 9310 Steel Bolt
  • 4130 Steel Key
  • Black Nitride
  • MPI Bolt (Magnetic Particle Inspected)
  • Shot Peened Bolt
  • Grade 8 Hardened Fasteners
  • Key Staked per Mil-Spec
  • Black Extractor Insert
  • Crane O-Ring

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Description

Black Nitride finished to increased wear-resistance, fatigue strength, corrosion resistance, lubricity and cosmetic appeal. Parkerized exterior with nano-ceramic interior coating for gas key and carrier.

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