Developed in 1941 through 1942 on the basis of the M5 Stuart light tank. This SPG is an example of the successful use of an outdated chassis. The vehicle was equipped with a 75 mm short-barrel howitzer; however, attempts were made to fit a 75 mm tank gun into a modernized turret.
Time for the successive autoreloading of each shell into the magazine.
The improved system allows the time to be decreased for autoreloading the next shell upon firing the loaded shell when the corresponding indicator is displayed
Characteristics are specified for Siege mode.
The technical characteristics are displayed for the charged turbine mode.
Characteristics are specified for Rapid mode.
Reload time of the first and second guns on double-barreled vehicles.
Characteristics are specified for vehicles with crews trained to 100%.