INERT DEACTIVATED. This is a scarce unfired British 20pr Mark 4 tank gun APDS/T(Armour Piercing Discarding Sabot/Trace) petal sabot projectile fitted to the early British Centurion tank. The 20pr gun replaced the WW2 17pr tank gun originally fitted to the tank with the bore of the gun increased from 3 inches to 84mm. The projectile is a 20pr Mk4 APDS/T (Armour Piercing Discarding Sabot/Trace) projectile and consists of a steel core sheathed in a thin steel sheath, fitted inside a light alloy sabot or sheath. Upon firing, the sabot is discarded and the reduced calibre projectile with trace carries on to the target. This is a 20pdr mark 4 APDS/T projectile made in the Royal Laboratories in March 1964 and retains all of its original painted finish and stencilling. The projectile is stamped round circumference APDS. 20PR. MK4. inspection mark K R.L. 3/64 (Royal Laboratories March 1964). The sabot is also stencilled in red round the circumference L76 GD 3-64 (March 1964) and the tracer symbol. the penetrator has a red band round the nose signifying the tracer is fitted. The base of the projectile also carries various inspection stamps. No licence is required to possess this projectile in the UK if retained as part of a collection or display. Price includes UK delivery. O 2278