Anderson Complete M16 Bolt Carrier Group - Nickel Boron
Nickel Boron M16 Bolt Carrier Group, made from 8620 steel, Bolt is made from 9310 steel MPI Tested. The 223 Bolt and Bolt Carrier Assembly comes complete with cam pin , firing pin and firing pin retainer.
- .223 / 5.56 bolt assembly is compatible with .300BLK as well!
- Fully mil-spec construction
- Durable Nickel Boron
- 9310 steel bolt is MPI tested
- 8620 steel full-shroud M16 style bolt carrier
- Properly staked gas key