PHASE5 BOLT CARRIER GROUP M16 BLK
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Phase 5's Mil-spec M16/M4 bolt carrier features a heat treated and chrome lined inner with a black phosphate coating. The complete bolt carrier group includes cam pin, firing pin, gas key, and bolt. All bolts are HPT/MPI tested.
- Black Phosphate Coating
- HPT/MPI Tested Bolt
- Chrome Lined
- Mil-Spec