The Phase 5 Weapon Systems M16 Bolt Carrier Group is a full-auto profile BCG designed for AR-15 and M16 pattern rifles.
- Part Type: Bolt Carrier Group
- Compatible Firearms: AR-15, M16, and M4 pattern rifles
- Carrier Material: 8620 steel
- Bolt Material: Carpenter 158 steel, MPI tested
- Finish: Manganese phosphate (black)
- Profile: Full-auto (M16)
- Installation: Drop-in
- Includes: Bolt carrier, bolt assembly, cam pin, firing pin, firing pin retaining pin
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