World’s Smallest But Deadliest Arm, The Ring Pistol

If you are a spy, then these weapons of mass destruction are just for you! Possibly of the French origin, invented in the beginning of 19th century, the ring pistol is just an awesome model of perfection. There is no such detailed information available, which tells about the operational history, practical usage and inventor of this finger mounted small arm. Ring pistol once was one of the smallest killing devices ever developed.