The Cameleon was a concept revolver designed by Czechoslovakian ice rink technician Karel Michalek. Michalek had wanted to make his own handgun, but was limited by government restrictions. In 1989, Michalek decided to construct a concept gun out of wood and epoxy resin.
Here’s a quote from the reddit thread about it
So yeah, some people write fours like that. No need to create some weird Nazi conspiracy theory around this guy