Finnish assault gun constructed by mounting a British 4.5-inch howitzer in a new pattern turret atop a captured Soviet BT-7 light tank hull. Kit features excellent exterior detail (including complex Christie suspension with link-and-length track), optional position driver's visor, driver's seat and controls, separate on-vehicle equipment, clear-molded vision blocks, nylon cord tow cable and photo-etch engine grilles (with bending jig). Also includes new tool parts: figure, turret with optional position hatches, gun (with breech and poly cap pivots) and photo-etch mantlet flanges. Decals and painting guide for 3 vehicles: R-717 of Detached Armor Company, CO's vehicle, Vyborg, June 1944; R-708 of the 2nd Company, Assault Gun Battalion, Svir River area, summer 1943 and Ps.511-4, post-Continuation War to 1951.