AR-15 BOLT-CARRIER GROUP - NICKEL BORON

$179.00 $169.00
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RISE ARMAMENT AR-15 BOLT-CARRIER GROUP - NICKEL BORON

RISE Armament advanced bolt-carrier group (BCG) manufactured with precision and individually inspected to ensure high-level performance. Coated with nickel boron to reduce friction and improve overall performance.

KEY FEATURES

  • Coated with nickel boron to reduce friction and improve the rifle's overall performance
  • Unit weight: 11.6 oz.
  • Individually MPI tested
  • Bolt: 9310 MPI tested
  • Carrier: 8620 tool steel heat treated and case hardened
  • Gas key: tool steel - grade 8 hardened fasteners and staked properly
  • Cam pin: 4140 steel
  • Extractor: tool steel – shot peened

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