INERT DEACTIVATED. This a German 20mm MK 151/20 (20x82) Armour Piercing Incendiary (API) aircraft cannon round fitted to various German aircraft during WW2, including the Me109, FW190,various night fighters and bomber aircraft. The brown lacquered steel cartridge case is percussion primed and retains its original lacquer. The cartridge case is headstamped htg (Polte Armaturen- u. Maschinenfabriken AG, Duderstadt plant, Westphalia) 27 4b. The projectile is stamped above the driving band wg (Hasag, Hugo Schneider AG, Altenburg) 11a 43 (1943 date) 115g. The armour piercing projectile has a sintered iron driving banded and retains much or the original black painted finish and its blue incendiary band near the nose. The Both projectile and cartridge case have no cracks in the necks. No licence is required to possess inert rounds in the UK if retained as a part of a collection or display. Price includes UK delivery. O 1827