41 Rimfire cartridge, this two-shot derringer was a popular option for personal defense in the late 19th and early 20th century. Watch our "American Rifleman Television" I Have This Old Gun ...

The palm-sized gun is covered in snow on the footage about 16 minutes after the shooting. Derringers are snub-nosed revolvers with a short barrel and small frame, making them easy to conceal. Como ...