INERT DEACTIVATED. The Vickers .50 machine gun, also known as the 'Vickers .50' was similar to the .303 inches (7.70 mm) Vickers machine gun but enlarged to use a larger-calibre 0.5-inch (12.7 mm) round. The gun saw some use in tanks and other fighting vehicles but was more commonly used as a close-in anti-aircraft weapon during World War 2 on Royal Navy and Allied ships, in a four-gun mounting). During the Second World War the gun was also mounted in power-operated turrets in smaller craft such as motor gunboats and motor torpedo boats. This is a British Vickers .5 inch gun drill round in its disintegrating link. The round is nickel plated with 3 red flutes in the side with a nickel plated bullet. The round is headstamped R crowfoot L (Royal Laboratories) DI (Drill mark 1). The blind primer poket is painted red. The steel disintegrating link is stamped .5 M G and IIN (mark 2 naval) HT&S. The price for this round 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 2041