I noticed that new Wingmaster with Light Contour barrel I used to own was pretty rust resistant as opposed to old Ithaca 37 and Remington 31. The finish on the new Wingmaster was dark and shiny. I suspect if you buy one of them new Turkish upland guns with real shinny barrels that Cabela's sells the oxidation problem will be greatly reduced. If you want more oxidation risistance on older guns look for those with barrels made of Poldihutte 'Anticorro' (Beretta SOs come to mind) or Boehler Bros. Antinit (better quality German, Austrian and other continental makers). If you like repeaters Winchester made some Model 12s with stainless steel barrels which resist rusting better than standard steel ones.