Anderson Manufacturing Complete M16 Bolt Carrier Group - Nitride
Nitrided 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 Nitride finish
- 9310 steel bolt is MPI tested
- 8620 steel full-shroud M16 style bolt carrier
- Properly staked gas key