Is it possible to rebarrel Tikka T3 with a custom barrel chambered for the 6mm Norma BR cartridge? I would prefer not to go the Savage/Stevens route as I have a fancy aftermarket stock that I purchased from the UK and would like to use that for this project. Is this feasible? Who could do this type of work? Any idea of cost? Rifle would be used for informal target shooting at 100 to 500 yards (limit of local range).