The Valmet 412/Tikka 512 are it. Multiple calibers in the over under 12/12, 20/20, 12/06, 20/308, 06/06, 308/308. 243/243, 7/7, 9.3x74/9.3x74 .... Chokes, trap variants ..
And best of all, as the barrels are independant, adjustable for windage/elevatiom/regulation for point of aim. Yes I...