I have always wanted a Rolling Block Rifle just as a wallhanger. I have seen a Swedish rifle in the above caliber but it doesn't seem to be on the list although there are 12.7 x 45R and 12.7 x 48R. The rifle is about 1898 manufacture.

I need to get it right as if I'm going to buy it I will have to import it, so can anyone offer any guidance?