APRH100070 - Aero Precision Nickel Boron Bolt Carrier Group MPI 5.56 AR-15 BCG
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Aero Precision 5.56 Nickel Boron Bolt Carrier Group

Price: $175.00
SALE PRICE: $139.00
  • Item #: APRH100070
  • Manufacturer: Aero Precision
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The Aero Precision upgraded nickel boron bolt carrier group is an eye catching addition to your AR build. Mil-spec dimensions and coating ensure the highest quality and correct component interface.

Features:

  • Machined from 8620 tool steel (M16/Auto Carrier) and 9310 Carpenter Steel (Bolt)
  • Shrouded firing pin
  • Nickel boron coating inside and out (Bolt, Carrier, and Gas Key)
  • Forged Mil-Spec gas key attached with Grade 8 hardware and properly staked.
  • 5.56 Bolt is shot peened and Magnetic Particle Inspected (MPI)
  • Mil-Spec extractor spring, black extractor insert, Viton O-Ring
  • Tool steel extractor
  • High quality nickel boron BCG made in USA.
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