The Vickers Machine Gun was an improved version of the Maxim gun that had been in widespread use before the introduction of the Vickers and for some time, in many armies, the two guns served alongside one another.
The guns that saw service with the British, and Commonwealth, were those listed below. These are followed by the Commercial models, then those other models.
.303-inch British Service guns
.5-inch British Service guns
For a general overview of the Vickers .5-inch machine gun, please watch our YouTube video:
The Vickers Gas-Operated Machine Gun
For a general overview of the Vickers Gas-Operated (Vickers K) machine gun, please watch our video: