INERT DEACTIVATED. The German 20mm MK 151/20 aircraft cannon round fitted to various German aircraft during WW2, including the Me109, FW190,various night fighters and bomber aircraft. The round has a brown lacquered steel percussion primed cartridge case and retain much of its original lacquer. The round is headstamped wg (Hasag Hugo Schneider AG Alterburg) 42 (1942 date) 182c waffenampt.The armour piercing projectile has a sintered iron driving banded and is stamped above the driving band aql 15c 43 (1943 date). Both projectile and cartridge case have no cracks. The price includes UK delivery and no licence is required to possess inert rounds in the UK if retained as a part of a collection or display. O 1928