The self-propelled weapon GMC M12 was in reality used through 2nd World War by the U.S. Army. It was developed on hull concerning the M3 Lee / give tank on which wound up being setup the initial French GPF 155 mm weapon. One of the keys armament, the ammunitions additionally the tool team was certainly situated in an open topped area behind the car. This is the motorist's as well as the radio operator’s seats was in fact protected. To take in the results the recoil with all the artillery piece, the M-12 had been made with a rear blade that was lowered and fixed in the ground.
