99.9% of all guns made in the last 14 years have removeable barrels.....however they use many different "threads" on the barrels and you must match the new barrel to your old barrels "threads"
Most common Threads are
Autococker
Tippman 98
Tippman A5
Spyder
and Impulse
The most common is Autococker (Dye, Proto, Evil, Infinity, Automag, and Eclipse use this thread)
when its empty
Looking for someone with history of a single barrel shot gun with wells Fargo & co on barrel and four notches also on gun like to know if its from the stage coach era as the shot gun is called coach
Well, i dont know but i know it is a double barrel shot gun made by berreta so call it a berreta double barrel shot gun
Leave this to a qualified gun smith.
Best left to a gun smith.
Oxidation of the steel of a gun barrel.
It may or may not depending on the ammunition used.
go to gun smith
Take it to a gunsmith- who will also know how long the barrel must be to be legal.
The twist on the inside of a gun-barrel is called rifling. I dont know the specific pitch of the rifling in this particular gun but thought you would like to know the proper terminology.
I don't know, is it just the barrel or the whole gun? I'd buy just a barrel
It will be marked on the barrel