A quick call to Shiloh in the morning can confirm a factory re-chamber job, I would not be afraid of the rifle if they indeed confirm, also would not fire 45-70's in a 110 chamber, you can do it ALL with a blackpowder loaded 45-110 Sharps and 500+ grain bullets, target shooting from 5 yards to a mile, hunting deer to American or African Cape Buffalo, it's a fine cartridge in the 74 Sharps, one of my favorites, I have two rifles so chambered.
