Throwback Thursday: 5 Curious Guns

One of the best things about visiting the NRA National Firearms Museum is the opportunity to feast your gaze on so many rare and unusual firearms and firearm accessories. Among the most fascinating displays is tucked into the Robert E. Petersen Collection, labeled "Firearms Curiosa." There are over 30 of these unique, puzzling, strangely beautiful (or just plain strange) curiosa on display. Here is a gallery of our favorite five.