ruger mark iii 22/45
These grips fit the Mark III Ruger 22/45. These grips will not fit the new Mark IV 22/45. 
Please make sure that your Ruger 22/45 has removable grip panels before ordering. You are not able to replace the grips on Model Numbers: 10107, 10109, 10119, 10126, 10127, 10148, or 10157. These grips are not compatible with the new Ruger Mark IV 22/45.