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Spike's Tactical HPT/MPI M16 Bolt Carrier Group (223/5.56)

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Availability: In stock

$135.95

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Spike's Tactical HPT/MPI M16 Bolt Carrier Group (223/5.56)

Spike's Tactical HPT/MPI M16 Bolt Carrier Group

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  • Spike's Tactical HPT/MPI M16 Bolt Carrier Group

Details

Spike's Tactical HPT/MPI M16 Bolt Carrier Group (223/5.56)

Bolt carrier group specifications:

  • Mil-Spec 8620 tool steel M16 bolt carrier w/shrouded firing pin.
  • Carrier has 5.3.1.2 MIL-STD-171 phosphate finish inside and out with 1.2.2.2 MIL-STD-171 hard chrome bore.
  • Laser engraved with ST Spider logo (visable through ejection port door opening).
  • Mil-Spec tool steel carrier key.
  • Carrier key has 5.3.1.2 MIL-STD-171 phosphate finish inside and out with 1.2.2.2 MIL-STD-171 hard chrome bore.
  • Carrier key is attached with Grade 8 hardware and properly staked per the Mil-Spec.
  • Bolts have 5.3.1.2 MIL-STD-171 phosphate finish inside and out.
  • All bolts are shot peened per the current Mil-Spec.
  • All bolts are Individually High Pressure Tested (HPT) and then Individually Magnetic Particle Inspected (MPI).
  • Tool steel extractor, shot peened, 5.3.1.2 MIL-STD-171 phosphate finish, fitted with a Mil-Spec black extractor spring insert and Mil-Spec Viton o-ring.
  • Mil-Spec firing pin with 1.2.2.2 MIL-STD-171 hard chrome finish.
  • Mil-Spec cam pin with 5.3.1.2 MIL-STD-171 phosphate finish.
  • Mil-Spec firing pin retaining pin with 5.3.1.2 MIL-STD-171 phosphate finish.

Additional Information

SKU ST5BG01

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