Gemtech Thread Adapter 3/8"-24 to 1/2"-28 Steel Matte

Suppressor thread adapter, 3/8"-24 to 1/2"-28. For use with small profile .22LR barrels that are threaded 3/8"-24 to adapt to 1/2"-28 standard .22LR threads for suppressors and other muzzle accessories. Notes:This adapter does not work on the new Smith & Wesson M&P 22LR Compact Pistol