Don't want to muddy the water too much, but the gentleman who died recently, who did Rollers in Texas, opined that he could rebore a .45-70 Remington #5 to .50 with no difficulty. Of course, the barrel was one and an eighth across the flats.
Dan
"It's a source of great pride, that when I google my name, I find book titles and not mug shots." Daniel C. Chamberlain
