The British 11.35mm Madsen is a Danish designed Madsen machine gun chambered in the 11.35mm caliber, which was a cartridge developed in the UK by Kynoch. This weapon and cartridge were considered by the British as a potential alternative to their standard Browning machine guns for use in aircraft. The 11.35mm round was seen as a balance between the standard .303 and heavier machine gun rounds. The only aircraft to be fitted with this machine gun was the American Curtiss Model 75 Hawk fighter aircraft. The British 11.35mm Madsen round was developed by Kynoch developed the round in the UK to Madsen’s requirements due to them having no production facilities of their own ammunition. This is a British Kynoch made 33.35mm ball round manufactured in 1930. The round has a brass cartridge case fitted with a small brass primer and is fitted with a nickel jacketed bullet. The bullet is held in by a neck ring crimp. The cartridge case is headstamped K (Kynoch) 19 30 (1930 date) 11.35mm. The price includes UK delivery and no licence is required to possess inert rounds in the UK if retained as part of a collection or display. O 2286