A display version of GEMTECH's Lunar 45 suppressor is inert and requires no BATFE paperwork. Great for dealers to display at shows without risk of loss" or for Californians and other states where totalitarian governments prevent their residents from owning common sense hearing protection items. The inert Lunar 45 is a display item and is not intended to be shot. Black anodized aluminum" attaches using Quick mount muzzle devices.