It was built on the chassis of the proven Panzer III tank, replacing the turret with a fixed casemate and mounting a more powerful gun. Initially intended as a mobile, armored light gun for direct-fire support for infantry, the StuG III was continually modified, and much like the later Jagdpanzer casemate-styled specialist armored vehicles, was widely employed as a tank destroyer.Length: 16.5 inches (420.5mm). Width: 8 inches (204.6mm). Periscopes, clear parts for periscope and light lenses. MG-34 Main gun barrel provided in metal and plastic. Photo Etch exhaust screens, deck railings. Decal sheet with 4 variations: Pz. Sicily 1943 Normandy 1944 Pz. "Totenkopf", Kursk 1943 Berlin 1945.