Sheriff of Tombstone

"In this western, Rogers and his sidekick Gabby get into all kinds of trouble when they ride into Tombstone and find themselves mistaken for the hired gun and his assistant. The gunslinger was engaged to work for the mayor and for a time Rogers goes along with it. When he discovers that the mayor is a bonafide crook, the ""gunslinger"" becomes the new sheriff. When the real gunman finally moseys into town, a showdown ensues."