> The Russians in WWII used a submachine gun, copied from the Finns, to great effect in the urban battle of Stalingrad, the Germans reacted by developing the as

> The Russians in WWII used a submachine gun, copied from the Finns, to great effect in the urban battle of Stalingrad, the Germans reacted by developing the assault rifle, later copied by the Russians, and eventually by everyone else. Disc magazine was copied from Finns, PPSH itself was based on earlier PPD designs which were done roughly at the same time as Finns Suomi sub-guns were developed.