The Hafla DM 34 (Flammpatrone) is a German single-shot throw-away weapon designed to propel an incendiary smoke charge to a range of about 80 metres. The Hafla DM 34 has a calibre of 35 mm and fires a built-in charge containing red phosphorus, the charge igniting after travelling between 70 and 80 metres raining burning particles over an area 10 me...