Laser Ammo 10mm Adapter Ring. Simply thread the 10mm Adapter ring onto the SureStrikeTM 9mm cartridge install the pipe and nut and you are good to go This adapter allows you to expand your 9mm Kit so you can train with your favorite 10mm caliber pistol. Specifications for Laser Ammo SureStrike 10mm Adapter Ring: Manufacturer: Laser Ammo Caliber: 10mm Auto Condition: New Features of Laser Ammo SureStrike 10mm Adapter Ring: converts your 9mm Premium kit to a 10mm caliber Package Contents: Laser Ammo SureStrike 10mm Adapter Ring 10mm Adapter Ring Features/Specifications: convert your 9mm SureStrike Premium Kit to a 10mm caliber. Included Accessories: 10mm Adapter Ring