Mr Schilb - just on the off chance you may not know... The barrel wall thickness needs to be measured fully around each tube and for it's entire length.
The most critical areas are at the forward end of the chamber where the forcing cone begins and for at least 12" - 15" forward of that.
Also of concern is the forward half of the barrels ( keeping in mind that the rear half of the barrels absolutely need sufficient thickness - far greater than the front half) where the minimum thickness should be .025" or thicker. Some folks are comfortable with a bit less but I would never advise less than .025"
I say all this because not all "reputable gunsmiths" know how to properly measure antique shotgun barrel walls.
Please get back to us with the measurements your smith comes up with. We can give good advice based on his accurate measurements.
Regards, Dean
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"I'm a Setter man.
Not because I think they're better than the other breeds,
but because I'm a romantic - stuck on tradition - and to me, a Setter just "belongs" in the grouse picture."
George King, "That's Ruff", 2010 - a timeless classic.
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