Speaking of replacement barrels, S.D. Hughes' shotgun book has a section on replacing a blown out barrel on a double. After sawing off just forward of the monobloc joint I think he said to bore out the remaining stub in the chamber and thus produce an orignal size monobloc barrel hole. Then the new barrel would be slid in under pressure.
I am curious to know if anyone, after disjointing the ribs, ever removed a barrel out by inserting a chamber sized plug and then used hydraulic pressure to force it out. I am trying to guess what would hold the monobloc in place as there isn't much of anything left to act as support.
