A CMMG firing pin for the Mk3 rifle platform. The firing pin transfers the hammer's energy to the primer, and a worn or damaged pin can cause light strikes. This factory CMMG part replaces the pin in Mk3 (AR-10 style) bolts. Compare the fitment details below with your firearm before ordering.
- Brand: CMMG
- MPN: 38BA4D3
- Type: Firing pin
- Fits: CMMG Mk3 / AR-10 style
