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5.56 Nickel Boron Bolt Carrier Group

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1.00 LBS
$5.50 (Fixed shipping cost)

 Product Description

Premium quality Nickel Boron 5.56 Bolt Carrier Groups. These are the best you'll find on the market and fully polished prior to Nickel Boron coating.

  • MPI Bolt (Magnetic Particle Inspected)
  • Carpenter 158 Steel Bolt (Nickel Boron Coated)
  • Shot Peened Bolt
  • Grade 8 Hardened Fasteners
  • 8620 Heat Treated Carrier, Polished w/Nickel Boron Coating
  • Key Staked per Mil-Spec


UTC Nickel Boron Coated


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