Yup magazine limited.
If you decide to rebarrel it, I highly recommend a Pac-Nor prefit. Then the thread is a non-issue for your smith.
Selling would pay for a new barrel.
I have talked to Pac-Nor about a 28" sendero contour, fluted barrel, truing my action, and fitting their barrel to it. I have done some research and it seems that most of the folks that have them speak highly of them.