The SN (Savin and Norov) was an aircraft machine gun manufactured in small numbers in the Soviet Union before World War II. The gun was intended to achieve a higher rate of fire than the ShKAS, while using the same 7.62×54mmR cartridge. In order to achieve this goal, the barrel and bolt moved in opposite directions.
The SN (Savin and Norov) was an aircraft machine gun manufactured in small numbers in the Soviet Union before World War II. The gun was intended to achieve a higher rate of fire than the ShKAS, while using the same 7.62×54mmR cartridge. In order to achieve this goal, the barrel and bolt moved in opposite directions.
Source: Wikipedia "Savin–Norov machine gun" · CC BY-SA 4.0
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