Description
| Carrier | Bolt | Key and Extractor | Cam Pin |
|---|---|---|---|
| 8620 steel | 9310 steel | 4140 steel | 4340 steel |
| M16 Profile | Magnetic Particle Inspected (MPI) | Quench and temper steel treated |
Our faceted M16 bolt carrier group is designed to reduce the contact points within the receiver for less friction. All parts are heat treated to mil spec.
