Adapt Your 9mm SureStrike Laser Cartridge To Work In Your Favorite 45 ACP Handgun!If you are a Glock enthusiast using a 45 ACP caliber handgun and already own the Laser Ammo safety pipe and nut kit, you came to the right place! No other Laser will work on your 45 ACP except this one, and it gets even better than that.... with the Laser Ammo patented caliber adapter system, there is no need to buy another laser! The 45 ACP adapter ring is the way to go!Use this adapter ring to convert your 9mm SureStrike into a 45 ACP laser training cartridge. Easy to install, and no tools required! Simply thread the 45 ACP caliber adapter ring onto the SureStrike 9mm cartridge. Install the safety pipe and nut, and you are good to go! Check out our accessories for the safety pipe & nut to use with this adapter ring.Important: All semi auto pistol adapter rings require the use of a safety pipe and nut.