M115 203 mm howitzer on display at Bastrop, Texas, United States.
Type
Howitzer
Place of origin
United States
Service history
Wars
World War II Korean War Vietnam War Iran–Iraq War
Production history
Designed
1939
Produced
1942–1945
No. built
1,006 [1]
Specifications
Mass
14,515 kg (31,780 lbs)
Length
Travel: 10.972 m (36 ft 0 in)
Barrel length
5.1 m (16 ft 9 in)[2] L/25
Width
Travel: 2.5 m (8 ft 2 in)[2]
Height
Travel: 2.7 m (8 ft 10 in)[2]
Crew
14
Shell
Separate loading charge and projectile 90.7 kg (200 lb)[2]
Caliber
203 mm (8 in)
Breech
Interrupted screw
Recoil
Hydro-pneumatic
Carriage
Split trail
Elevation
−2° to +65°
Traverse
+60°
Rate of fire
3 rounds per 2 minutes (maximum for first 3 minutes), 1 round per 2 minutes (sustained)
[3]
Muzzle velocity
587 m/s (1,926 ft/s)
Effective firing range
16,800 m (18,373 yds) 22,860 m (25,000 yds) maximum
The M115 203 mm howitzer, also known as the M115 8-inch Howitzer, and originally the M1 8-inch Howitzer was a towed heavy howitzer developed by the United States Army and used during World War II, the Korean War, and the Vietnam War. Post-WWII it was also adopted by a number of other nations in Europe, the Middle East, and Asia.
^Official Munitions Production of the United States, by Months, July 1, 1940 – August 31, 1945 (War Production Board and Civilian Production Administration, 1 May 1947) p. 137
^ abcdFoss, Christopher (1977). Jane's pocket book of towed artillery. New York: Collier. p. 141. ISBN 0-02-080600-0. OCLC 911907988.
^"M110 8 inch (203 mm) Self-Propelled Howitzer". YouTube. Archived from the original on 9 June 2020. Retrieved 14 January 2022.
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