This rubber recoil buttpad serves several functions: reduce felt recoil, provide a non-slip butt for the rifle, and increase the length of pull. Fits Ruger 10/22, Mini 14, Mini 30 and 44 Carbine. A non-slip recoil pad that also adds approximately one inch to the overall length of the standard rifle stock. Installation of this pad requires no fitting and uses the original butt plate screws. Does not fit plastic butt stocks. Will not fit stock that does not have cut out like on pad. Width is 1 1/2" Height is 4 1/4" John Masen Black Warrior