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Spikes Tactical BCG 5.56 PHOSPHATE

Spikes Tactical ST5BG01 Firearm Parts Zoom

Please note: Many of our pictures are stock photos provided to us by the manufacturer and may not accurately represent the actual item. Please review the Full Description and Specifications before ordering.

Model #: ST5BG01

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Spikes Bolt Carrier Group HPT/MPI 223 Rem/5.56 M16/AR15 Phosphate Steel
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Full Description


    The Spike's Tactical HPT/MPI M16 Bolt Carrier Group for 223 Remington/5.56 NATO features a Mil-Spec 8620 tool steel M16 bolt carrier w/shrouded firing pin. The carrier has MIL-STD-171 phosphate finish inside and out with MIL-STD-171 hard chrome bore. It is laser-engraved with ST Spider logo which is visable through ejection port door opening. The carrier key is attached with Grade 8 hardware and properly staked per the Mil-Spec. The bolts are CNC machined from Carpenter No. 158 and have MIL-STD-171 phosphate finish inside and out. All bolts are shot peened per the current Mil-Spec and individually High Pressure Tested (HPT) and then Individually Magnetic Particle Inspected (MPI). The tool steel extractor is shot peened, has a MIL-STD-171 phosphate finish, and is fitted with a Mil-Spec black extractor spring insert and Mil-Spec Viton o-ring. The Mil-Spec firing pin has a MIL-STD-171 hard chrome finish. The Mil-Spec cam pin also has a MIL-STD-171 phosphate finish. The Mil-Spec firing pin retaining pin has a MIL-STD-171 phosphate finish.
    Type Bolt Carrier Group
    Model M16/AR15
    Finish Phosphate
    Size 223 Remington/5.56 NATO
    Material Steel
    Hammer Type Black Phosphate
    Purpose Replacement
    Product Model Bolt Carrier Group

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