The basic rotating barrel principle is alive today in the modern gatling gun, particularly the 20-millimeter M61 Vulcan seen in the Phalanx CIWS shipboard defense system and the 7.62-millimeter ...

GUEST: I brought a Sharps & Hankins, an old Civil War rifle. This old rifle has got a 32-and-three-quarter-inch barrel, and it's got hexagon bore, and where the serial number is located is, is a ...