Solid-frame .22-caliber revolver, with 6-shot cylinder that has zigzag grooves on its exterior surface. Fired by an external hammer. Frame is hollow, with a rod inside of it that connects to breech-block. Serrated cocking piece connected to this rod that is found at top rear of frame. When fired, cartridge case blows from cylinder and activates breech-block similar to a semi-automatic pistol.