The 122 mm howitzer M1938 (M-30) (GRAU index: 52-G-463) is a Soviet 121.92 mm (4.8 inch) howitzer. The weapon was developed by the design bureau of Motovilikha Plants, headed by F. F. Petrov, in the late 1930s, and was in production from 1939 to 1955.
The 122 mm howitzer M1938 (M-30) (GRAU index: 52-G-463), a Soviet-made 121.92 mm (4.8 inch) howitzer, was developed by the Motovilikha Plants design bureau under F. F. Petrov's leadership in the late 1930s and entered production from 1939 to 1955.