Adapt Your 9mm Smart Laser Cartridge to Work with Your Favorite 10mm!This is one of Laser Ammo&';s innovative patents. No need to buy 2 different lasers in order to use your 9mm and your 10mm pistols.Use the included adapter ring to convert your 9mm Smart Laser into 10mm laser training cartridge.Easy to install and requires no tools! Simply follow the included instructions to thread the 10mm caliber adapter ring onto the Smart Laser 9mm cartridge. Install the short safety pipe (2-7/8" or 2.875 inches) with the nut, and you are good to go!SKU: 10SSADK Safety Pipe Instructions PDF