"M" Series Speedloader loads cartridges into revolver instantly. The principle is simple, strong metal points hold cartridges securely in the loader until you release them into the revolver with a turn of the speed loader knob. Caliber .32 H&R MAG; Fits Ruger SP101/Taurus 73, 74, 731, 741/ J-Frame Size 6 Shot. Made in USA.