Cockerill mounted a sleeve in the barrels of ex-German 7.7 cm FK 16 guns received as reparations after World War I to convert them to the standard Belgian 75mm ammunition.
Cockerill mounted lengthened Canon de 75 mle TR barrels on ex-German 7.7 cm FK 16 gun carriages received as reparations after World War I. After 1940, the Wehrmacht designated captured guns as the 7.5 cm FK 234(b) and used them to equip occupation units in Belgium.