1/100 KV Diamond Turret

Two turrets of this design were constructed; one was fitted to the KV-220, which was meant to be a step up from the KV-1 in every way, and the other was fitted to the T-150, which had a standard KV-1 chassis with a more powerful engine.  The 85mm cannon allowed both the KV-220 and T-150 to deal more damage than the KV-1, but both tank prototypes were ultimately destroyed in battle.