The AMERIGLO GTool5 removes, installs, and adjusts any rear sight on every GLOCK pistol. The tool works for all Generation models (1–5), including MOS and Slimline slides. The new design is capable of installing the tallest backup sights on the market—up to .600” overall height. The slide clamp shoe fully supports the slide, as the fine-thread shaft precisely adjusts the sight. Ameriglo Pro Rear Sight Pusher for All Glock Models Gtool5