HKS MK3-A  Revolver Speedloader for Colt MK3 & MK5/King Cobra/Peacekeeper/Ruger Security 6
"A" 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. Fits Colt MK3 & MK5/King Cobra/Peacekeeper/Ruger Security 6