A precision 1/2"x28 to 1/2"x20 thread adapter for use with rimfire or centrefire barrels.
The adapter fits over US 1/2″×28 UNEF RH male threads providing a European 1/2"x20 UNF RH male thread common for UK and European origin muzzle accessories like compensators, brakes and moderators.
- CNC precision machined
- 4141 Chromoly barrel grade steel (Blued option)