Russian
PPSh-41 was a popular Russian machine pistol it fired 7.92x25mm rounds at a rate of over 1000 rounds/min it was so effective at close range even germans would loot them and use them
The Mosin-Nagant was a bolt action long range rifle widely used as a sniper rifle by both the Russians who designed them and the Germans. It fired 7.62x54mmR or 7.92x57mm Mouser rounds when used by the germans, it could fire 10 rounds/min
The Degtyaryov Machine Gun was a unique Light Machine Gun earning the nickname "record player" due to is circular top mounted rotating Mag it was gas operated fired a 47 round mag of 7.62x54mmR ammunition at a rate of 500 rounds/m
The PTRD-41 was a anti-tank rifle capable of firing small AT rounds at light armored vehicles it was a bolt action single round gun it fired a 14.5x114mm round at a muzzle velocity 1,114m/s up to 1000 meters However the fire rate was one bullet unless the user was capable of reloading it and if it hadn't broken.