HKS 38 Special/357 Mag, 5rd speedloader for- S&W 36/37/38/40/42/49/60/340/360; Charter Arms; Taurus 85/605/651/851; Rossi 68; Ruger SP101. Why load your revolver one cartridge at a time? With one slight twist, the HKS Speed Loader instantly loads all the cartridges into your revolver. Strong metal points hold cartridges securely in the loader until you release them into the revolver with a turn of the speed loader knob.