The Vulcan M61 aircraft gun was a 6 barrelled gun developed for aircraft use and was first fitted to the Lockheed F104 fighter aircraft. The gun was developed further and fitted to the F14 Hornet, F17 Eagle and now the F22 Raptor in a lightweight and modified form. These aircraft are used by many countries worldwide. This is a Swiss Oerlikon made unfired 20mm Vulcan gun armour piercing round with a tungsten penetrator in the steel projectile which has a copper driving band and an alloy windshield. The black painted projectile is stencilled 591-1430 007-06 Oe (Oerlikon). The brass cartridge case is fitted with an electric primer without a headstamp. The cartridge case is stencilled on the lower part 20MM M103 DDS 11B 110-102. The price includes UK delivery and no licence is required to possess these inert rounds in the UK if retained as part of a collection or display. 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. Sn 22190