I only ever stain an inferiour wood (if neccessary)
if you have a proper walnut stock, any good stock oil finish will be the best solution.
Best thing to do, if you're not certain, is to try on a spare piece of similar walnut and see what it looks like after staining and oiling

Best regards from England
Gunter

Last edited by Gunter; 04/28/16 10:54 AM.