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FN Model D (prop)

A high poly model of the Belgian FN Model D light machine gun.

The FN model D light machine gun was developed in 1932 by the famous Belgian company Fabrique Nationale (FN) in the development of the FN Model 1930 machine gun, which, in turn, was a modification of the American Colt R75 machine gun, based on the BAR M1918 Browning automatic rifle. The main differences between the Belgian machine gun and the American version were simplified disassembly (due to the introduction of a folding receiver butt plate), a modified trigger mechanism that provided two rates of automatic firing (fast and slow), and most importantly, the introduction of a quick-change air-cooled barrel (hence the model designation D - from Demontable”, i.e. removable barrel). The machine gun was in service with the Belgian army, was widely exported, both before and after the Second World War. In 1957, by order of the Belgian army, a number of FN model D machine guns were chambered for 7.62x51 NATO, with adaptation for box magazines from the then-new FN FAL rifle. Such machine guns in the Belgian army were designated FN DA1. The production of FN model D machine guns continued until the early 1960s.

The FN model D light machine gun uses gas-operated automatics with a long stroke of a gas piston located under the barrel. Shooting is carried out from an open bolt, the barrel is locked by tilting up the combat larva located at the rear of the bolt. To ensure a reduced rate of fire, an inertial mechanism for slowing the rate of fire is installed in the butt of the machine gun. The machine gun used box magazines with a capacity of 20 rounds, adjacent to the weapon from below. The FN model D light machine gun was standardly equipped with a folding bipod, a pistol grip and a wooden butt. A carrying handle was attached to the barrel, also used to replace the hot barrel. The machine gun could also be used from a special tripod infantry machine.