The MK19 40mm machine gun is an air-cooled, disintegrating metallic link-belt fed, blowback operated, fully automatic weapon and is crew transportable over short distances with limited amounts of ...

There's a growing number of guns being converted into machine guns. Here's why it matters: When someone opens fire with a machine gun, it has the ability to cause more damage, and impact more lives.

So-called switches, which turn handguns into automatic weapons that can fire 20 bullets a second, are "beyond terrifying," Judge Iain Johnston warns.

When, in 1861, Dr Richard Gatling patented the Gatling gun – one of the first reliable hand-cranked machine-guns – his humanitarian vision was based on a desire to end wars. He believed that ...