Coded “fxo” made by C.G Haenel Waffen und Fahrradfabrik,Suhl,Thuringia.
This particular weapon was found at La Glieze along kampfgruppe piepers escape route through Belgium following the1944 battle of the bulge.
The mag is a Normandy find.
Learnmore: http://en.wikipedia.org/wiki/MP40