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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®.
- -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.
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| Accessories designed to work with this product. |
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