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Spikes Tactical M16 5.56MM Bolt Carrier Group - Phosphate

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Product Description

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 MIL-STD-171 phosphate finish inside and out with 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 MIL-STD-171 phosphate finish inside and out with 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®.

-Bolts have 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, 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 MIL-STD-171 hard chrome finish.

-Mil-Spec cam pin with MIL-STD-171 phosphate finish.

-Mil-Spec firing pin retaining pin with MIL-STD-171 phosphate finish.


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  1. Quality BCG 5 Star Review

    Posted by on 12th Jan 2015

    Nice BCG from Spikes! I wouldn't expect anything less.

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