World’s First Fully Functional 3D Printed Revolver PM522 Washbear Can Fire Eight Rounds A mechanical engineering student built the very first 3D-printed revolver. Dubbed the PM522 Washbear the gun was created using a consumer 3D printer and can fire up to eight bullets between reloads. by Dave Calpito
Defense This bullet makes 3D printed guns genuinely dangerous weapons (but don't panic just yet) by Nicole Arce