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AR-15 BOLT CARRIER GROUP - 5.56 / MPI / SBN NITRIDE COATED / MIL-SPEC

AR-15 BOLT CARRIER GROUP - 5.56 / MPI / SBN NITRIDE COATED / MIL-SPEC

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Your Price: $94.99
Retail Price:$119.00
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Part Number:130-010

AR-15 Mil-Spec Bolt Carrier Group

  • Material: Case Hardened 8620 Steel
  • Finish: Black Nitride. This advanced low friction coating minimizes the need for lubricants.
  • Gas Key: 4130 Steel attached with Grade 8 hardware and properly staked into a milled “valley” to ensure proper positioning.
  • Cam Pin: Hardened 4340 cam pin
  • Firing Pin: Mil-Spec firing pin made of 8740 steel, center-less ground, and Hard Chrome-coated
  • Bolt Assembly: The Bolt is “true” Mil-Spec dimension and external surfaces are CNC ground after heat treatment for a precision fit.
  • Material: Case Hardened 9310 Steel.
  • Finish: All Bolt components Shot Peened and Manganese Phosphate or Black Nitride Extractor: 4340 Steel, Manganese Phosphate coated o Mil-Spec Extractor Spring & O-Ring Combination
  • MPI: Magnetic Particle Inspected
  • HPT: High-Pressure Test

Made in USA +Carrier fits AR15/M4 compatible style Rifles (i.e.) .223/5.56mm, .300Blkout, 6.8SPC

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