It fires .22LR ammo that fires via a rubber band and nail.
This video covers my new 3D-printed revolver design, called the PM522 Washbear. The Washbear is a 6- or 8- shot pepperbox revolver, chambered in .22 LR.
By achieving multiple shots without reloading, this design is the world’s first documented repeating firearm printed with a consumer-grade printer.
