Abstract: The firearm device for disabling a firearm for dry fire practice. A bushing is inserted in the firearm having a diameter of a cartridge. The bushing includes a through bore which receives a length of flexible material. One end of the flexible material is enlarged, so that is stops when it is pulled against the surface of the bushing. The length of flexible material extends through the barrel and is visible to users of the device. The length of the bushing and enlarged end of the flexible material is established so that the rear surface of the enlarged end is positioned to be struck by the firearm firing pin when the hammer is released. The device prevent and round from accidentally being introduced into the chamber, as well as indicates to users that the device has been safely rendered inoperative for dry fire practice.