Soviet World War Two 50mm Light Mortars (RM-39 & RM-40)
This entry details the Soviet RM-38, RM-39, and RM-40 50mm light mortars, focusing on their design evolution and manufacturing simplifications. The RM-40's use of stamped sheet metal and a gas venting system for range adjustment is highlighted as a key innovation for mass production. The analysis draws from expert commentary on historical firearms.











