The Gemtech GM-22 is a lightweight 7075-aluminum suppressor for 22LR, 17HMR, and 22WMR. Its unique G-Core® design enables the user to easily maintain their suppressor while still providing some of the best noise reduction in the industry. Rated for full-auto fire, it's praised for simple maintenance, durability, and strong sound performance, making it a reliable choice for rimfire suppressor users.