OK may be a silly question. I have been seeing "orphaned" shotgun barrels showing up on the internet and curious about the reality in them being fitted to a gun.
Example, how probable would it be to fitting English made barrels to the same maker's gun of different serial number. How would barrels by American makers work to be fitted to another gun?
My friend said that the chances are very slim you could fit these barrels to my gun with a good proper fit, what say you?

Mike Proctor