Smith & Wesson 76: American's Vietnam 9mm SMG

Cool Forgotten Weapons merch! Early in the Vietnam War, the US Navy acquired a quantity of Swedish M/45B submachine guns (“Swedish K”) for special forces use. By 1966, however, the Swedish government would no longer authorize sales of arms to the United States because of involvement in the Vietnam War. So instead, the US turned to Smith & Wesson to design and produce a copy of the gun. In January of 1967 the first prototypes were presented of the S&W Model 76, which incorporated a number of changes form the Swedish original. The S&W gun had an ambidextrous selector lever allowing either semiauto or full auto fire, and a permanently fitted magazine well for use with a close copy of the Suomi 36 round double stack box magazine. Most interestingly, the inside of the receiver tube is cut with long rifling-like gr