In a statement published on the Indymedia platform, the extremists claimed responsibility for a fire in the summer house of Armin Papperger, head of the arms factory, Bild reported on Wednesday.
The incident took place in Hermannsburg, Lower Saxony, on Tuesday.
Rheinmetall plans, produces and kills not only on a national scale, according to the authors of the article, who called for the release of Daniela Klette, a member of the radical leftist Red Army Faction.
Rheinmetall is one of the largest manufacturers of military equipment in Europe.
According to its annual report, it has received a “special benefit” from the increased demand in connection with the armed conflict in Ukraine.
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