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VickersKlandvariant
Vickers K
Country of origin

United Kingdom

Manufacturer(s)

Vickers-Armstrongs

Production ended

1945

Weapon type

Light machine gun

Caliber

.303

Action

Gas operated

Overall length

1016mm

Barrel length

529mm

Weight

9.5kg

Magazine/Cylinder capacity

100 rounds

Cyclic rate

1200rpm

Muzzle velocity

2500fps


The Vickers K light machine gun (known as the Vickers Gas Operated or Vickers G.O. in British service) was a rapid firing machine gun developed and manufactured for use in aircraft by Vickers-Armstrongs. The high rate of fire was needed for the small period of time when the gunner would be able to fire at an attacking aircraft. The weapon was also adopted for land use during World War II.

DevelopmentEdit

The Vickers K was a development of the Vickers-Berthier (VB) light machine gun, adopted in 1932 by the Indian Army. The VB, like the Bren light machine gun, used a tilting locking breechblock. However, unlike the Bren, the VB locked its breech only at the last moment of forward travel and this enabled the development of the Vickers K also known as the "Vickers Gas Operated" (VGO) or "Vickers GO" . With lighter moving parts and the VB locking design, the Vickers K had an adjustable rate of fire between 950 and 1,200 rounds per minute; faster than the German MG34. The weapon was adopted for British service as the VGO. It was test-flown with a large 300-round drum, and beat the .303 Browning in reliability. However, the wide drum would have caused problems to accommodate, since it would have interfered with wing structures. When the belt-fed Browning Mark II was selected as the standard machine-gun armament for RAF aircraft, the VGO became redundant for the RAF. It continued to be used by the Fleet Air Arm until 1945.

VariantsEdit

Some were made in 7.7mm for the Belgians before the war and at least one example survives in a European museum.

Vickers GO Mk I

The Vickers K/Vickers G.O. machine gun is a gas operated weapon, firing from an open bolt (thus making it non-synchronizable for firing through a spinning propeller) in full automatic mode only. Its gas cylinder is located below the barrel, and a long stroke gas piston operates a vertically tilting bolt. Feed is from top-mounted flat pan magazines with a nominal capacity of 100 rounds, although it was customary to load only 96 or 97 rounds to ensure reliable feeding. The gun is fitted with a single spade grip at the rear of receiver, with a trigger to control fire. In ground use, it was normally mounted on single or twin pintle mounts on various jeeps and trucks.

Land variant

The Vickers K Land Variant was intended for the RAF ground support troops on airfields during WWII. They came with a bullpup stock and were used by the commando forces.

Camera gun

A camera gun version was made for training. The body was of cast metal. The grip and trigger mechanism were realistic. Gunners in training exposed film when "shooting" at attacking aircraft and these images were analysed later. This was a technique developed in World War I with Lewis Camera Guns.

UsageEdit

The Vickers K was fitted to light and medium bombers in RAF service such as the Fairey Battle and Handley Page Hampden. It was also used in gun turrets, such as the dorsal turret in the Bristol Blenheim, the nose turret in the Armstrong Whitworth Whitley and the rear of the cockpit in the Fairey Battle. It was the standard Royal Navy Fleet Air Arm "Telegraphist Air Gunner" machine gun, on British built carrier (Torpedo Strike Reconnaissance) aircraft - the Fairey Swordfish, the Fairey Albacore and the Fairey Barracuda.

As supplies of air-cooled .303 in (7.7 mm) Browning machine guns increased, the Vickers G.O. was phased out of use with the RAF. These machine guns were then reallocated from RAF stocks to units of the British and Commonwealth armies. The gun continued in service with the Fleet Air Arm and its last recorded use by the navy was by 812 Squadron RNAS Barracudas in anti piracy patrols off Hong Kong in October 1945.

The Long Range Desert Group was supplied with large numbers of the Vickers G.O. for use on its vehicles. They were used in single or custom built twin mountings. The Special Air Service adopted it for their hit and run tactics, mounting it in pairs on their jeeps. Over the years, it was assumed by some that the latter services took the phased-out VGO because they could obtain no other suitable machine guns but with its high rate of fire and low-friction locking design (which proved resistant to jams from sand), the LRDG and SAS found the G.O. markedly superior to either the .303 in (7.7 mm) water-cooled Vickers or the Bren gun. In a similar manner, the Airborne Reconnaissance Squadron of the Reconnaissance Corps mounted the VGO on jeeps when they were attached to the 1st Airborne Division during Operation Market-Garden in September 1944. Royal Marine and Army Commandos used the VGO for infantry support/squad automatic weapon briefly around D-Day. In military terminology, it was known as Gun, Machine, Vickers G.O. .303-inch.

In the Coastal Forces of the Royal Navy, the Vickers K began to replace the Lewis gun on board Motor Torpedo Boats, Motor Launches and other light craft, from 1942 onwards.

GalleryEdit

ReferencesEdit

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