A precision M9×0.75 RH (female) to 1/2″×28 RH (male) thread adapter for the GSG Firefly .22LR pistol.
The adapter easily replaces the factory barrel nut providing a 1/2″×28 UNEF RH male thread ready for common muzzle accessories like compensators, brakes and moderators.
- CNC precision machined
- Includes 1/2x28" thread protector with fluted grips
- 4141 Chromoly steel (Blued option)
- 416 Stainless steel (Stainless option)
Fits the following GSG made models:
- GSG Firefly
- SIG Mosquito
- Mauser M20