Smith & Wesson M76 Smith & Wesson M76 The Smith & Wesson M76 submachine gun was produced by Smith & Wesson from 1967 to 1974. It is an adaptation of the Swedish Carl Gustav m/45 with an open bolt design and fires 9x19mm Parabellum ammunition. In 1966, the Swedish government blocked the sale of firearms to the United States because it opposed the Vietnam War. This created a problem for the Navy SEAL Teams which were using Swedish-made m/45 submachine guns in covert operations in Southeast Asia. Noting this, Smith & Wesson began to produce the M76 (an m/45 clone), which was ready for
Smith & Wesson Model 39 wadcutter bullets only). The shape of the rimmed cartridge limited the magazine capacity to five rounds. A further variant, the Model 952, in 9mm Luger, is still produced in limited quantities by Smith & Wesson's Performance Center. The Model 52 was discontinued in 1992 when the machinery to manufacture the pistol broke down and it was deemed too costly to replace. The Model 39 was the basis for the later Smith & Wesson Model 59, retaining the original 9mm Parabellum caliber, but incorporating a wider aluminum frame with a straight backstrap to accommodate a double-column magazine that could hold 14