Add Yahoo as a preferred source to see more of our stories on Google. Shoppers try out guns during a gun show at Dulles Expo Center in Chantilly, Virginia. Alex Wong/Getty Images Devices that convert ...

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 ...

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 ...

The Transparency Principles emphasize the effective communication of relevant information about a MLMD to users, such as the intended use(s), device development, device performance, and method for ...