​The MG 17 was installed in the Messerschmitt Bf-109, Messerschmitt Bf-110, Focke-Wulf Fw-190, Junkers Ju-87 'Stuka', Junkers Ju-88C Nightfighter, Heinkel He-111, Dornier Do-17/Do-215 Nightfighter, Focke-Wulf Fw-189 and many other aircraft. Many MG 17s were later modified for infantry use, as the Luftwaffe replaced them with the heavier-calibre MG 131, which repla...