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Spike's Tactical M16/AR15 BCG (223/5.56) -HPT/MPI Phosphate Finish
Spike's Tactical M16/AR15 BCG (223/5.56) -HPT/MPI Phosphate Finish
 
MSRP: $159.95
Sale Price: $149.95
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Product Code: SP-ST5BG01
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Spikes Tactical Phosphate finished bolt carrier group. All bolts are HPT/MPI testing to ensure the highest quality available on the market.

This BCG is fully assembled and ready to drop in your upper and shoot. These are the heavier M16 Bolt Carrier group and will work with any semi auto or full auto AR15 or M16.
More Information:
  • 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 are CNC machined from Carpenter No. 158 or 9310 Steel.
  • 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 High Pressure Tested (HPT) and then 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.


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AR Parts > AR-15 Parts > AR-15 Upper Parts > AR-15 Bolt parts/BCGs > .223 / 5.56 Bolt Carrier Groups