Board Thread:General Discussion/@comment-26006155-20190617222636/@comment-26006155-20190707074015

The Empty Gun is called "An antique revolver": https://undertale.fandom.com/wiki/Empty_Gun

It goes with the cowboy hat, so it might hail from the Wild West. The Steam Badge does make it look a lot like a six-shooter.

But we're not actually in The Wild West, because now it's an antique.

The Omega Flowey segment isn't all that helpful for age analysis, because it looks like a cartoon gun: https://youtu.be/pLTHWT9pZso?t=457