Phase5 Bolt Carrier Group M16 Blk

Phase 5s 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.

Features :

• Black Phosphate Coating
• HPT/MPI Tested Bolt
• Chrome Lined
• Mil-Spec