Relocation of the company headquarters from Düsseldorf to Berlin
Increasing control of armaments production by the Reich via the "Commissioner for the Four-Year Plan".
Mass deployment of German and foreign forced labourers in all the factories of factories of Rheinmetall-Borsig AG
Damage and destruction of production facilities by air raids, therefore relocation of production to numerous locations in the later GDR and present-day Poland
End of war and production banned by military government
Start of a less successful civilian production programme in Düsseldorf