CMMG's AR-15 cam pin is a standard mil-spec cam pin for AR-15 bolt carrier groups. It rides in the carrier's cam track and rotates the bolt to lock and unlock it. Replace a worn or missing pin to keep your BCG running smoothly. It is a factory CMMG part made for standard AR-15 carriers.
- Fits: AR-15 bolt carrier groups
- Type: mil-spec cam pin
- Manufacturer part: 55BA46C
