M114 155 mm howitzer

M114
Type	Howitzer
Place of origin	United States
Service history
In service	1942–present
Used by	See operators
Wars	List of Conflicts World War II Korean War Vietnam War Cambodian Civil War Laotian Civil War Lebanese Civil War Salvadoran Civil War Iran–Iraq War Kurdish–Turkish conflict (1978–present) Yugoslav Wars Syrian Civil War
Production history
Designed	1939–1941
Manufacturer	Rock Island Arsenal (U.S.)
Produced	1941–1953 (U.S.)[1]
No. built	10,300 (U.S.)[1]
Variants	See variants
Specifications
Mass	Travel: 5,800 kg (12,800 lb) Combat: 5,600 kg (12,300 lb)
Length	Travel: 7.315 m (20 ft)
Barrel length	Bore: 3.564 m (11 ft 8 in) L/23 Overall: 3.79 m (12 ft 5 in) L/24.5
Width	Travel: 2.438 m (8 ft)
Height	Travel: 1.8 m (5 ft 11 in)
Crew	11
Shell	Separate-loading bagged charge
Caliber	155 mm (6.1 in)
Breech	Slow-cone interrupted screw
Recoil	Hydro-pneumatic
Carriage	Split trail
Elevation	−2°/+63°
Traverse	25° left or right
Rate of fire	burst: 4 rpm sustained: 40 rph
Muzzle velocity	563 m/s (1,847 ft/s)
Maximum firing range	14,600 m (16,000 yd)

The M114 is a towed howitzer developed and used by the United States Army. It was first produced in 1942 as a medium artillery piece under the designation of 155 mm Howitzer M1. It saw service with the US Army during World War II, the Korean War, and the Vietnam War, before being replaced by the M198 howitzer.

The gun was also used by the armed forces of many nations. The M114A1 remains in service in some countries.