QF 13-pounder gun
| Ordnance QF 13-pounder | |
|---|---|
| Battery and detachments of the Honourable Artillery Company (HAC) near Belah, Palestine, March 1918 | |
| Type | Light field gun | 
| Place of origin | United Kingdom | 
| Service history | |
| In service | 1904–1940 (UK) | 
| Used by | British Empire | 
| Wars | World War I, Easter Rising, World War II | 
| Production history | |
| No. built | 416 | 
| Variants | Mk I, Mk II | 
| Specifications | |
| Mass | Barrel & breech 685 lb (311 kg); Total 2,236 lb (1,014 kg) | 
| Barrel length | Bore 5 ft 8 in (1.73 m); Total 6 ft (1.8 m) | 
| Crew | 9 | 
| Shell | Fixed QF 76.2 x 313 mm R | 
| Shell weight | 12.5 lb (5.7 kg) Shrapnel, later HE | 
| Calibre | 3-inch (76.2 mm) L/23 | 
| Recoil | Hydro-spring, constant, 41 in (1.0 m) | 
| Carriage | Wheeled, pole trail | 
| Elevation | -5°to +16° | 
| Traverse | 4° L & R | 
| Muzzle velocity | 1,675 ft/s (511 m/s) | 
| Maximum firing range | 5,900 yd (5,400 m) | 
The Ordnance QF 13-pounder (quick-firing) field gun was the standard equipment of the British and Canadian Royal Horse Artillery at the outbreak of World War I.