PM M1910
The Pulyemyot Maksima M1910 (Russian: Пулемёт Максима образца 1910 года, romanized: Pulemyot Maksima obraztsa 1910 goda, lit. 'Maxim machine gun model 1910'), or PM M1910, is a heavy machine gun based on the Maxim gun, that was used by the Imperial Russian Army, Navy and Air Service during World War I, then by the Red, White and Green armies during the Russian Civil War, and later by the Soviet Armed Forces during World War II. Later the gun saw service in the Korean War, the Vietnam War and the Russo-Ukrainian war. == Background == The Imperial Russian Army adopted machine guns in the late 19th century.