QF 2.95-inch mountain gun

The QF 2.95-inch mountain gun was the designation given by the British to a Vickers 75 mm calibre gun. It was originally produced for the Egyptian Army. It was taken into British service in the late 19th century to provide the 'movable armament' at some coaling stations. Also known as 'The Millimetre Gun',[4] it was used by the West African Frontier Force in several theatres in Africa during World War I. It was also used by United States and Philippines.

QF 2.95-inch mountain gun
British QF 2.95-inch mountain gun, Cameroons and Togoland campaign, WWI
TypeMountain gun
Place of originUnited Kingdom
Service history
In service1897 – World War II
Used byBritish Empire
United States
Philippine Commonwealth
WarsWorld War I, World War II
Production history
ManufacturerVickers
Specifications
Mass236 lb (107 kg) gun
830 lb (380 kg) total
Barrel length31.6 in (800 mm) bore;
35.85 in (0.911 m) total[1]
Width32 in (810 mm)
Height26 in (660 mm), barrel axis
36 inches, wheel
ShellFixed QF round.
12.5 lb Common shell;
18 lb Double common shell;
12.5 lb Shrapnel
Calibre75 mm (2.95 in)
Recoil14 in (360 mm); short recoil hydro-spring
CarriageWheeled, box trail, assembly
Elevation-10° - 27°[1]
Traverse0°
Rate of fire14 rounds per minute[2]
Muzzle velocity920 ft/s (280 m/s)[1]
Maximum firing range4,825 yd (4,412 m)[3]

Service history

The weapon could be broken down and carried by 4 horses or mules, or in British use in Africa by men.

British service

The weapon was not adopted by the British Army or the Indian Army, which used the BL 10 pounder Mountain Gun and later the BL 2.75-inch Mountain Gun, but it was used from 1901 by the defence forces of some British African colonies as part of the Royal West African Frontier Force (WAFF). The officers and most NCOs were British, and the gunners, gun carriers and some NCOs were African. As part of the British Empire these units became part of the British war effort in World War I.

Thirty guns were originally supplied to West Africa (Sierra Leone, Gold Coast and Nigeria).[5] Guns involved in the West Africa campaign were used by the Sierra Leone Company Royal Garrison Artillery (6 guns), Gold Coast Battery WAFF (6 guns), 1st and 2nd Nigerian Battery WAFF (6 guns each).[6]

Guns of the Gold Coast Battery fired the first British Empire artillery rounds of World War I, in the attack on Khra in Togoland on 22 August 1914.[7]

The gun was also used in the East Africa campaign, originally a section of the Gold Coast Battery, and from December 1916 the 1st Nigerian Battery.[8]

In one action, Corporal Awudo Kano and five Nigerian gunners stayed by their gun during the British attack near Melong in Kamerun, 4 March 1915. Their officer was wounded and the infantry forced to retire, but though isolated they refused to abandon the officer or their guns, and continued firing until relieved.[9]

US service

The US purchased 12 guns in 1899 and used them in the Philippine-American War (otherwise known as the Philippine Insurrection). By 30 June 1904 another 120 guns were purchased. Carriages and pack saddles were manufactured at Watertown and Rock Island.

It was also used in World War II by US and Philippine forces defending against the Japanese invasion.[1] Approximately 50 were issued to the Filipino Army artillery regiments. The US Army Philippine Division had one battalion of the 23rd Artillery (Philippine Scouts) equipped with the 2.95 in mountain gun.[10][11]

Ammunition

British ammunition

The British "Treatise on Ammunition" of 1915 stated that available rounds were Shrapnel (203 bullets), Case shot (330 bullets), Star shell and the Double common shell of 18 lb (exploding charge of 14 oz "P" mixture – gunpowder).[12]
British Double Common round
British Shrapnel round
No. 65A Fuze

US ammunition

According to the US manual of 1916 the 18 lb (8.2 kg) "Double explosive" shell was no longer in US use.
US Cartridge case
US HE shells
US Shrapnel shell
  • Front view of British example on display at US Army Ordnance Museum
  • Side view of British example on display at US Army Ordnance Museum
  • gun & carriage diagram
  • transportation of gun barrel by mule in US use
  • Illustration from Brockhaus and Efron Encyclopedic Dictionary
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See also

Surviving examples
At the Military Museum in Bogota, Colombia
  • A British example is on display at US Army Ordnance Museum, Aberdeen Proving Ground, Maryland, USA[13]
  • HM Royal Armouries Fort Nelson, Fareham, Hampshire, UK[14]
  • At the Military Museum in Bogota, Colombia
  • U.S. Army Artillery Museum, Fort Sill, Oklahoma, USA

Notes and references
  1. Hogg & Thurston 1972, page 46
  2. 14 rounds per minute is the figure given by Vickers. Quoted in Brassey's Naval Annual 1901
  3. Clarke 2004
  4. Headlam 1934, page 104
  5. Farndale 1988, page 293
  6. Farndale 1988, page 291
  7. Farndale 1988, page 290
  8. Farndale 1988, page 338-339
  9. Farndale 1988, page 299
  10. The Fall of the Philippines – U. S. Army in World War II, p. 21.
  11. Stanton, Shelby L. (1991). World War II Order of Battle. New York: Galahad Books. pp. 186–187, 371. ISBN 978-0-88365-775-1.
  12. Treatise on Ammunition. 10th Edition, 1915. War Office, UK. Page 415-419
  13. "Army Ordnance Museum". Ordmusfound.org. Retrieved 3 June 2014.
  14. "Archived copy". Archived from the original on 6 January 2009. Retrieved 12 July 2008.CS1 maint: archived copy as title (link)

Bibliography
  • Dale Clarke, British Artillery 1914–1919. Field Army Artillery. Osprey Publishing, Oxford UK, 2004] ISBN 978-1-84176-688-1
  • Major-General Sir John Headlam, The History of the Royal Artillery : From the Indian Mutiny to the Great War, Volume II (1899–1914). Woolwich [England] : Royal Artillery Institution, 1937. Facsimile reprint by Naval and Military Press 2004. ISBN 978-1-84574-043-6
  • General Sir Martin Farndale, History of the Royal Regiment of Artillery : Forgotten Fronts and the Home Base 1914–18. London: Royal Artillery Institution, 1988. ISBN 978-1-870114-05-9
  • I.V. Hogg & L.F. Thurston, British Artillery Weapons & Ammunition 1914–1918. London: Ian Allan, 1972. ISBN 978-0-7110-0381-1
  • US Army Ordnance Dept, Handbook of the 2.95-inch Mountain Gun Matériel and Pack Outfit. 1912, updated 1916
  • Louis Morton, "The Fall of the Philippines". United States Army Center of Military History, 1953. ISBN 978-1-410216960

Further reading
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