OH,,my,my,my,,your "DELIMA "may be worse than you thought !! You see the 45/70 brass ,,can be resized to a number of different cal's. 40/60,,,45/60,, 40/65,, 45/75,, just to give you a few,, ( shaking head ) " Good Luck w/ your choice .
coffee's ready ,,, Hootmix.