GOSAFE Mobile Safe Prevents unauthorized use and from being loaded with ammunition. Blocks the trigger and locks the slide closed. Cannot be removed from the firearm while locked. Switch to your GOSAFE or OEM mag in seconds. Simple and intuitive. Unique-to-user high security key. Camlock lock for the highest level of protection and quality. Order additional keys once you receive your GOSAFE Mobile Safe with the included unique product code on GOSAFEnow.com. Works with all generations of Glock a Compatible with all holsters Mfg: Gosafe