The Iconic British Firearms That Defined the Infantry Experience During the Second World War

History · Published 29 September 2026 Swipe more like this →

In short: From the reliable bolt-action rifles that anchored infantry tactics to the cost-effective submachine guns born of wartime necessity, British weaponry evolved rapidly between 1939 and 1945. Experts at the Royal Armouries reveal the mechanics behind the iconic pistols, rifles, and machine guns that powered the British Army through the conflict.

The British infantry arsenal during the Second World War was a blend of legacy designs and rapid wartime adaptations. The Webley Revolver Mk VI, originally introduced in 1915 for the static trench warfare of the First World War, remained a vital sidearm. Despite the Enfield No. 2 Mk I being the official service pistol, production shortages necessitated the return of the Webley to the front lines. Its top-break mechanism and six-inch barrel provided a level of accuracy and speed that kept it relevant decades after its debut.

Rifle technology also saw significant refinement with the introduction of the Lee-Enfield No. 4 Mk I in 1941. This bolt-action rifle was engineered to meet the demands of a shifting battlefield, featuring a ten-round detachable magazine. Its robust design allowed trained soldiers to maintain a high rate of fire, a tactical hallmark that had defined British infantry doctrine since the earlier global conflict. This emphasis on rapid cycling ensured that the infantry remained a formidable force in diverse combat environments.

The need for cost-effective firepower led to the development of the Sten submachine gun, introduced in 1941 by Major Reginald V. Shepherd and Harold J. Turpin. Designed to replace the Thompson, the Sten featured a distinctive side-mounted magazine and could fire between 500 and 600 rounds per minute. Complementing this was the Bren Light Machine Gun, which replaced the Lewis Gun. Derived from the Czech ZB vz. 26, the Bren became the centrepiece of the infantry squad. By utilizing the same .303 ammunition as the Lee-Enfield, the Bren ensured that soldiers could maintain a consistent supply of firepower across the entire unit, cementing its status as a cornerstone of British military capability throughout the war.

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