INERT DEACTIVATED. This is a WW2, 1943 Dated, Unfired American Oerlikon 20MM/70 Mark III, (20x110RB) Anti-Aircraft Gun H.E. (High Explosive) Drill Round. - O 1983 INERT DEACTIVATED. This is a WW2, 1943 Dated, Unfired American Oerlikon 20MM/70 Mark III, (20x110RB) Anti-Aircraft Gun H.E. (High Explosive) Drill Round. - O 1983

This is a WW2, 1943 dated American made Oerlikon 20mm/70 mark III anti-aircraft gun H.E. (High Explosive) drill round. the guns were first made by Oerlikon, a Swiss company in 1937 and ordered mainly by the Royal Navy. During WW2, the Oerlikon gun was swiftly adopted as a short range anti-aircraft gun that swiftly replaced the .5 inch Browning and .9 anti-aircraft guns. The gun was of a simple blowback design fed by a 60 round magazine with a high rate of fire of approximately 500 rounds per minute. These American made rounds were used by both the American and Royal Navies. This is an American made 20mm Oerlikon Mark 2 drill round which consists of a brass cartridge case with three 8mm holes round its circumference and is headstamped with the letter C in a lozenge, 1943 (date) and 20MM MK11. The round is fitted with a brass driving banded high explosive projectile with a brass nose fuze which is stamped round its circumference MK 26 –NC and is held into the projectile by 3 stab crimps. The round is fitted with an uncrimped brass percussion primer. The price includes UK delivery and no licence is required to retain this inert round in the UK if retained as part of a collection or display. O 1983