 The British Commonwealth variant of the FAL was redesigned from FN's metrical FAL into British imperial units and was produced under licence as the L1A1 Self-Loading Rifle.In 1946, the first FAL prototype was completed.It was designed to fire the intermediate 7.92×33mm Kurz cartridge developed and used by the forces of Germany during World War II (with the Sturmgewehr 44 assault rifle).