StonerCNC Ruger 22-45 Pistol Gun Grips G10 Starburst Design 22lr SR22/45 and 22/45 Lite G10 Material - Starburst Design Thumb Notch Standard CNC Machined Fully De-horned - Improved Slide Stop Access DO NOT FIT MK3 or the 22/45 Lite Generation IV (4)