im currently working on gpms Schienen-panzer STEYER gun wagon i bought several books to help build this vehicle but have come to a confusing area on the subject of the turret the vehicles were armed with pzkpfw 3 ausf n or older model pzkpfw 4 both with a short 75mm gun according to the literiture most pictures show the panzer 3 variant ...the problem the kits turret dosent seem corespond to any of these does anyone know which model panzer this turret in the kit is from?