The 10/22 Magazine Loader from Champion will cut down on time spent meticulously reloading rimfire magazines with a cascading loading track to feed cartridges flawlessly. Compatible with all magazines, rimfire enthusiasts can load up to 50 rounds of 22LR or 17HM2 (Mach 2) rimfire ammo at a time with thumb-saving speed and precision. It fits Ruger 10/22, 77/22 and 96/22.