The UCH21 Upper Charging Handle for all generations of the Glock 20 21 30 and 40 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.Also included is one high profile Charging Handle top one low profile Charging Handle top and one base.Order your Glock Charging handle online today!Searching for 45 ACP? Score big savings when you shop our large selection of cheap 45 ACP ammo for sale.