This Yankee Hill Machine adapter is a piston-style thread adapter for 9mm barrels, converting a 1/2x28 threaded muzzle to suit compatible suppressor or muzzle device mounting systems. Yankee Hill Machine is a long-established American maker of muzzle devices and suppressor accessories, and its parts are machined to consistent tolerances.

Always confirm thread pitch and your host firearm's compatibility before installing, and follow proper alignment and installation practices for any muzzle-mounted accessory. A practical component for 9mm shooters building out a threaded barrel setup.

In stock and ready to ship straight to your door from Dawson Defense, an Arizona-owned licensed dealer.