The vehicle was developed on the basis of the M1931 Christie tanks, purchased by the British Army in 1936. The vehicle was intended to be a fast, lightly-armored breakthrough tank. The modified design was deemed successful and became the basis for other cruiser tanks. A total of 65 vehicles were built. They saw combat in France and North Africa in 1940–1941.
Time for the successive autoreloading of each shell into the magazine.
The technical characteristics shown are for the Siege mode
Characteristics are specified for a vehicle with crew members trained to 100%.