Development of a 3 inch self-propelled gun on the M3A3 Stuart chassis started in September 1942. Trials on the Aberdeen Proving Ground in November demonstrated that the gun was too heavy for the light tank chassis. Never entered mass production.
Marks of Excellence requirements for T56 GMC: beta
Mastery badges for T56 GMC - base XP needed:
Target damage WN8 for T56 GMC:
Shots required to get target damage (per battle)Show guns