The Char B1 bis was an upgraded variant of the Char B1 with thicker armour and an APX4 turret with a longer-barrelled (L/32) 47mm SA 35 gun, to give the tank a real anti-tank capacity. It was the main production type from 8 April 1937 until June 1940.
Dan Hewitson
Tom Mecredy
Craig Nixon