Vickers .50 machine gun - Misplaced Pages

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Heavy machine gun

Vickers .50 machine gun
A Vickers .50 machine gun, Polish Army Museum, Warsaw (2006)
Type	heavy machine gun Anti-aircraft gun
Place of origin	United Kingdom
Service history
In service	1933–1954
Used by	United Kingdom Ireland
Wars	Second World War
Production history
Manufacturer	Vickers, Enfield
Produced	1933 -
Variants	Marks I–V
Specifications (Vickers .5 Mk V)
Mass	63 pounds (29 kg), excluding 10 pounds (4.5 kg) cooling water
Length	52.4 in (1.33 m)
Barrel length	31 in (0.79 m)

Cartridge	12.7×81mm
Calibre	0.5 inches (12.7 mm)
Rate of fire	500–600 rounds per minute
Muzzle velocity	2,540 feet per second (770 m/s)
Maximum firing range	Altitude: 9,500 feet (2,900 m) Range: 4,265 yards (3,900 m)
Feed system	belt

The Vickers .5 inch machine gun (officially "Gun, Machine, Vickers, .5-in") also known as the Vickers .50 was a large-calibre British automatic weapon. The gun was commonly used as a close-in anti-aircraft weapon on Royal Navy and Allied ships, typically in a four-gun mounting (UK) or two-gun mounting (Dutch), as well as tanks and other armoured fighting vehicles. It was similar to the .303 in (7.7 mm) Vickers machine gun but fired the enlarged calibre British Vickers 0.5-inch (12.7 mm) ammunition; this round was shorter in length than the American .50 BMG (12.7×99mm).

Variants

Mark I and Mark II

The Mark I was the initial model but the gun went through further development before entering production and the first Mark to be taken into service was the Mark II. The Mark II entered service in 1933 and was mounted in some British light tanks, often paired with a 0.303 Vickers. The Mark II had a pistol grip rather than the spade grips of the infantry 0.303 machine gun.

Mark IV and V

Marks IV and V were improved versions and were also used on trucks in the North Africa Campaign such as by Long Range Desert Group It was superseded for use in British-built armoured fighting vehicles during the Second World War by the 15 mm (0.59 in) Besa machine gun, a Czech design adopted by the British for the Royal Armoured Corps.

The Mark IV was introduced in 1933 but not declared obsolete until 1944. It had full auto only at 600 rounds per minute.

The Mark V, introduced in 1935, was a strengthened variant and the main variant to be used. Fire rate was 500-600 rounds per minute.

Mark III

The Mark III was a naval version used as an anti-aircraft weapon, mostly by the Royal Navy and allied navies in the Second World War, typically in mountings of four guns but also as single and dual mounts. It proved insufficiently powerful at short-range against modern all-metal aircraft and was superseded during the Second World War by the Oerlikon 20 mm cannon. The naval quad mount featured a 200-round magazine per barrel, which wrapped the ammunition belt around the magazine drum. Maximum rate of fire of fire was 700 rounds per minute, per gun (cyclic) but could be reduced to 450. The four-barrel mounting had its guns adjusted to provide a spread of fire, amounting to 60 ft (18 m) wide and 50 ft (15 m) high at 1,000 yd (910 m). Vickers claimed that it could fire all 800 rounds in 20 seconds and could then be reloaded in a further 30 seconds. During the Second World War it was also mounted on power-operated turrets (usually a twin-gun mount) in smaller craft such as motor gunboats and motor torpedo boats.

Notes

Britain used Roman numerals to denote marks (versions) of ordnance until after the Second World War.

References

Gun, Machine, Vickers .5-inch, Mk. II Vickers MG Collection & Research Association
^ Williams, The .5" Vickers Guns and Ammunition
Gun, Machine, Vickers .5-inch, Mk. IV Vickers MG Collection & Research Association
DiGiulian.

Bibliography

The Vickers Machine Gun
Tony DiGiulian, British 0.50"/62 (12.7 mm) Mark III
Williams, Anthony G (November 2012). "The .5" Vickers Guns and Ammuntion". Archived from the original on 29 January 2022.

External links

v t e British Commonwealth naval weapons of the Second World War
Monitor guns	BL 15-inch
Capital ship main armament	BL 14-inch BL 15-inch BL 16-inch
Heavy cruiser main armament	BL 7.5-inch Mk VI BL 8-inch Mk VIII
Secondary armament and light cruiser main armament	QF 4-inch Mk V QF 4.5-inch QF 5.25-inch BL 5.5-inch BL 6-inch Mk XII BL 6-inch Mk XXII BL 6-inch Mk XXIII
Minesweeper, Sloop, Corvette, Frigate and Destroyer armament	QF 6-pounder 10 cwt QF 12-pounder 12 cwt Mk V QF 4-inch Mk IV BL 4-inch Mk IX QF 4-inch Mk XVI QF 4-inch Mk XIX QF 4.5-inch BL 4.7-inch Mk II QF 4.7-inch Mk IX & XII QF 4.7-inch Mk XI
Submarine guns	QF 12-pounder 12 cwt Mk V QF 3-inch 20 cwt QF 4-inch Mk XII & XXII
Anti-aircraft weapons	Unrotated projectile Holman Projector 20 mm Oerlikon QF 2-pounder "pom-pom" Mk VIII 40 mm Bofors QF 3-inch 20 cwt QF 4-inch Mk V QF 4-inch Mk XVI QF 4.5-inch QF 4.7-inch Mk VIII
Light weapons	.303 Lewis machine gun .50 Vickers Mk III machine gun QF 3-pounder Vickers
Torpedoes	21-inch Mk VII 21-inch Mk VIII 21-inch Mk X 21-inch Mk XI 24.5-inch Mk I
Anti-submarine weapons	Thornycroft depth charge thrower Hedgehog Squid
Small craft armament	Molins 6-pounder Vickers K machine gun 18-inch torpedo
Foreign-sourced weapons	20 mm Oerlikon 40 mm Bofors 3-inch 23 caliber gun (US) 3-inch 50 caliber gun (US) 4-inch 50 caliber Mark 9 gun (US) 5-inch 51 caliber Mark 8 gun (US) Y-gun depth charge projector (US) Mark 8 torpedo (US)

v t e Maxim gun derivatives
Stationary machine guns	MG 08 MG 11 MG 14 PM M1910 PV-1 Vickers
Portable machine guns	Maxim–Tokarev MG08/15 MG08/18
Heavy machine guns	MG 18 TuF Vickers .50 QF 1-pounder pom-pom 11mm Vickers aircraft machine gun

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