An Austro-Hungarian prototype machine gun fed from either a 20 round stick or a 160 round drum with a flexible chute, chambered in the 9x23mm Steyr cartridge
One bored farmer in the Austrian countryside had a Hellriegel 1915 hanging on his wall, taking it down from the wall to make blueprints, and taking it apart to make even more blueprints
by 23rdball September 16, 2019