Bren Machine Gun Mark III. It has a wooden stock and a pistol grip; the barrel and tripod are made of steel. It is fitted with a box magazine taking thirty rounds of ammunition (missing). The calibre is .303in. Stamped on the gun is the following: 'D 1955 BREN Mk3 UE55 A209' (serial number) '4' painted in the right side of the butt. The Bren Light Machine gun was introduced in 1937 and the Mark III version in 1944. It was used post war by the British in Korea, Malaya, Cyprus and Aden. It was then converted to 7.62mm and saw service in Northern Ireland, the Falklands and the Gulf War.Royal Small Arms Factory