Produced in 1962 and 1963 in response to public demand for small caliber, high velocity handguns, only 3300 of these pistols were made. Built on the frame and action of a Ruger flattop single action revolver, with a rotating breechblock in place of the cylinder. Ramp blade front sight on the barrel, marked "RUGER HAWKEYE./ WIN. .256 MAG. CAL.". A Bushnell Phantom II 2.5x scope is mounted on the frame with a Bushnell Ruger base. Standard receiver markings, smooth grips with black eagle Ruger medallions. With a proper red and black Ruger box.