A Chicago man was charged with illegally possessing a machine gun conversion device after posting photos of it on social ...

The shooting, which left four dead and 17 injured, is just the latest spurt of mass violence made possible by the small ...

The shooting, which left four dead and 17 injured, is just the latest spurt of mass violence made possible by the small part known as a “conversion device,” “Glock switch” or “auto sear.” ...

Glock switches' or 'auto sear switches' are modifications that transform handguns into fully automatic weapons. Use of the devices is on the rise almost 100 years after Congress passed a law ...

Often called Glock switches or auto sears, the devices have received heightened attention in recent years because they’re increasingly turning up at crime scenes. They effectively turn ...

Often called Glock switches or auto sears, the devices have received heightened attention in recent years because they're increasingly turning up at crime scenes. They effectively turn ...

Often called Glock switches or auto sears, the devices have received heightened attention in recent years because they’re increasingly turning up at crime scenes. They effectively turn ...