1400s - The matchlock gun appears. Before the matchlock, guns were fired by holding a burning wick to a "touch hole" in the barrel igniting the powder inside. A shooter uses one hand for firing ...

Salt water flows between the barrel’s inside surface and a 3D-printed piece that holds wires in a precise pattern. A current flows between the barrel and the wires (which do not actually touch ...

357 caliber. A barrel liner is one way to repair a gun that has aged and is no longer shooting properly. Simply put, it is a long hardened metal tube with rifling on the inside. Some guns come ...

Gun parts, including top slides and barrels for pistols, were found “expertly hidden” inside the fuel tank, underneath the windscreen, and behind the engine block of a car. They were ...