The UCH Upper Charging Handle for all stock slide Double Stack Glock 9mm/SW40/357 pistols (except RTF models and 5th generation Glock 22 and 23 – all other generations are compatible) is the easiest way to charge your Glock without needing to modify your pistol (Compatible with OEM Glock slides only). Installation is simple and can be mounted to your Glock in under 2 minutes with the supplied hardware and tool. Comes with UCH Enhanced Upper Charging Handle as well as our GCH17 lower profile Charging Handle.