Would sleeving be an option? Or occasionally shooting 12 gauge shells, and having a set of Briley sub gauge tubes for some of the shooting? I don't know if that would make it less attractive to you.

Oh, or reload low pressure loads- one of my favorite 12 gauge loads is straight out of the Hodgdon manual- 1 oz at 1125 fps and 5400 psi. There's one with PB powder that's only 3400 psi according to the manual.. that should be very easy on thin barrels.


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