Any story involving a main character (be it OC or canon) that uses some form of weapon. So, that almost completely limits it to adventure stories. Also, the weapon most definitely does not have to be the main focus of the story.
Any story involving a main character (be it OC or canon) that uses some form of weapon. So, that almost completely limits it to adventure stories. Also, the weapon most definitely does not have to be the main focus of the story.