The PPSh-41 (Russian: Пистоле́т-пулемёт Шпа́гина-41, tr. Pistolét-pulemyót Shpágina-41, lit. 'Shpagin's machine-pistol-41') is a selective-fire, open-bolt...

the Soviet Army in 1934 (modernized in 1940) as the ППД PPD-40 (from Пистолет-пулемёт Дегтярёва, "Degtyaryov's submachine gun"). In 1930, Degtyaryov designed...