240 mm howitzer M1
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The 240 mm howitzer M1, popularly nicknamed the "Black Dragon", was a towed howitzer used by the United States Army. The 240 mm M1 was designed to replace the World War I era 240 mm howitzer M1918, which was based on a 1911 French design and was... Wikipedia
Shell: 360 lb (160 kg) separate loading, bagged charge
Barrel length: 27 ft 6 in (8.38 m) L/35
Breech: Interrupted screw
Caliber: 240 mm (9.4 in)
Carriage: Split trail with 2 transport wagons
Crew: 14
Designed: 1940–1943