Wanted: CZ BRNO Combo Barrels

Looking to get a barrel set for a CZ BRNO combination gun. Looking for a rifle over shotgun barrel. For the rifle I'd like something 6.5mm or better, I heard they make 30cal barrels (30-06 or 308), but I've never seen it. For the shotgun barrel, I'm not too picky, but 12 gauge is best. Thanks!