Not a doublegun, but a 1930 Winchester Model 97 pump gun. The exterior of the gun is in about 90% condition, but the bore shows evidence of having been shot with corrosive primers and/or black powder ammo, or just not cared for, and has a fair amount of what seems to be relatively shallow pitting. It's a bit atypical for its period, having a 26 inch barrel and cylinder choke and I'd like to get the worst of the pitting removed.

To whom would you suggest I send it and about what should I budget for the work?

Thanks.

Rem