Welrod
Overview
 
The Welrod was a British
United Kingdom
The United Kingdom of Great Britain and Northern IrelandIn the United Kingdom and Dependencies, other languages have been officially recognised as legitimate autochthonous languages under the European Charter for Regional or Minority Languages...

 bolt action, magazine fed, suppressed
Suppressor
A suppressor, sound suppressor, sound moderator, or silencer, is a device attached to or part of the barrel of a firearm which reduces the amount of noise and flash generated by firing the weapon....

 pistol
Pistol
When distinguished as a subset of handguns, a pistol is a handgun with a chamber that is integral with the barrel, as opposed to a revolver, wherein the chamber is separate from the barrel as a revolving cylinder. Typically, pistols have an effective range of about 100 feet.-History:The pistol...

 devised during World War II
World War II
World War II, or the Second World War , was a global conflict lasting from 1939 to 1945, involving most of the world's nations—including all of the great powers—eventually forming two opposing military alliances: the Allies and the Axis...

 at the Inter-Services Research Bureau (later Station IX
Station IX
Station IX was a secret British Special Operations Executive factory making commando equipment during World War II. It was established at a mansion called 'The Frythe' about an hours drive north from London near the town of Welwyn ....

), based near Welwyn Garden City
Welwyn Garden City
-Economy:Ever since its inception as garden city, Welwyn Garden City has attracted a strong commercial base with several designated employment areas. Among the companies trading in the town are:*Air Link Systems*Baxter*British Lead Mills*Carl Zeiss...

, UK
United Kingdom
The United Kingdom of Great Britain and Northern IrelandIn the United Kingdom and Dependencies, other languages have been officially recognised as legitimate autochthonous languages under the European Charter for Regional or Minority Languages...

, for use by irregular
Irregular military
Irregular military refers to any non-standard military. Being defined by exclusion, there is significant variance in what comes under the term. It can refer to the type of military organization, or to the type of tactics used....

 forces and resistance
Resistance movement
A resistance movement is a group or collection of individual groups, dedicated to opposing an invader in an occupied country or the government of a sovereign state. It may seek to achieve its objects through either the use of nonviolent resistance or the use of armed force...

 groups. Approximately 2,800 were made.
It was used primarily by the British SOE
Special Operations Executive
The Special Operations Executive was a World War II organisation of the United Kingdom. It was officially formed by Prime Minister Winston Churchill and Minister of Economic Warfare Hugh Dalton on 22 July 1940, to conduct guerrilla warfare against the Axis powers and to instruct and aid local...

 but was also used by the American OSS
Office of Strategic Services
The Office of Strategic Services was a United States intelligence agency formed during World War II. It was the wartime intelligence agency, and it was a predecessor of the Central Intelligence Agency...

.
The Welrod, also known as the "Assassin's Pistol", was extremely quiet for a gun, producing a sound of around 73 dB
Sound pressure
Sound pressure or acoustic pressure is the local pressure deviation from the ambient atmospheric pressure caused by a sound wave. Sound pressure can be measured using a microphone in air and a hydrophone in water...

 when fired.
 
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