EDDA submachine gunThe EDDA submachine gun is a submachine gun of Argentine origin.OverviewThe EDDA submachine gun is a blowback operated weapon and is chambered in the .[22 WMR] round. It has select fire capabilities and is fed by a 30-round box magazine. To improve accuracy, it has a retractable stock and an optional Tasco red dot IR sight is mounted on the top cover.