When I called Kimber a year ago, I was told they used a tung oil finish. I put several coats of the pro-custom tung-urethane finish from Brownells on my kimber. I do not know if it is Kodiak -proof though.

http://www.brownells.com/aspx/ns/st...tle=PRO-CUSTOM+OIL+GUNSTOCK+FINISH#specs