This SilencerCo threaded barrel is made for the Glock 21 in .45 ACP, with a 5.2 inch length and .578x28 threading for mounting a suppressor. A threaded barrel is the starting point for running a Glock 21 suppressed, and swapping one in is straightforward. Aftermarket barrels like this are also popular with shooters who want to replace a factory barrel for improved precision or a custom setup.

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