1/2X36 SIDEWINDER ADAPTOR
Simply Replace your spring retainer, spring and piston for this fixed thread mount. These adapters make it possible to use any caliber Sidewinder on Fixed barrel pistol caliber rifles and pistols
Made from 17-ph stainless steel with a Matte Black Finish.
- Caliber: 9mm, .40, .45, and subsonic 300BLK Only.
- Thread: 1/2x36
- Length: 3/4"
- Finish: Matte Black
- Made in the USA