Fg-15
A German-designed 7.92mm light machine gun that was a prototype. It featured a new barrel and a more reliable feeding mechanism.
Fg-16
A British-designed 7.92mm light machine gun that was used by the Royal Air Force. It was a modified version of the Bren gun.
Fg-17
A British-designed 7.92mm light machine gun that was a later development of the Fg-16. It featured a new barrel and a more robust receiver.
Fg-18
A British-designed 7.92mm light machine gun that was a prototype. It featured a new barrel and a more reliable feeding mechanism.