The Smith & Wesson Model 51, debuted in 1960 as the .22/32 Kit Gun Magnum, a reliable J-Frame revolver designed to be carried inside a hunter or fisherman's kit bag. At the close of the twentieth century, we took this historic model into the future with the introduction of the AirWeight series, revolvers built with aluminum alloys, significantly reducing the weight of the previously stainless steel revolver. The Model 351 PD integrates the time-tested features of the original with modern advancements. Mfg: Smith & Wesson