LEGO minifigure compatible custom Sidan Toys M1919 Dual Browning Machine Gun with option to build various types. The M1919 Browning was an Air cooled machine gun is a heavy machine gun used by the United States armed forces in World War I, World War II, and the Korean War; it has also been used by other nations. It was a crew-served, belt-fed. Option to build the water-cooled 1917 Machine Gun. Build either one or combinations of both. Comes with Ammo Box. Contains 10 pieces.