Over the past decade, Massachusetts streets have been marked by a rapid surge in homemade weapons with massive firepower. With the rise of illegal devices that can turn semiautomatic pistols into ...

The FBI says machine gun conversion devices, or switches, are on the rise in Wisconsin – and becoming part of daily investigations. A switch is an illegal device that can turn a regular semi-automatic ...

A "switch," also known as a conversion device, or sear, or "giggle switch," as displayed by ATF, with an imprint falsely suggesting it was made by Glock. The switch converts a semiautomatic handgun or ...

FILE - A semi-automatic pistol with a conversion device installed making it fully automatic is fired as four empty shell casings fly out of the weapon, at the Bureau of Alcohol, Tobacco, Firearms, and ...

A New York federal judge issued an order Tuesday temporarily barring two firearms companies from selling devices that prosecutors say convert AR-15 style rifles into machine guns, finding that ...