I checked the ruger website and they do offer a .22lr in bolt action. here's the link:

http://ruger.com/Firearms/FAFamily?type=Rifle&subtype=Bolt%20Action& famlst=40

try looking at pawn shops as well. but if you decide to go to wally world, check their catalog to see what other guns that they sell. but i believe that they keep a good few in stock.