Manufacturer: HKS MK-3A
Instantly loads all six cartridges into any revolver, securely holds rounds until released with a turn of the knob. Proven by decades of use in law enforcement.
Fits 38 and .357 Colt Mark 3 and Mark 5, King Cobra, Peacekeeper, Ruger Security 6. Does not fit: Cobra, Agent, Diamondback, Magnum Plus.