— -- Half of the 23-gun arsenal discovered inside Stephen Paddock's 32nd floor room at the Mandalay Bay Resort & Casino were rigged with bump stocks, devices that modify rifles to fire faster, ...

Military doctrine is supposed to tell soldiers how to fight, but history shows that some weapons refuse to follow the rules.

For the first half of the 20th century, one of the most important firearms in the U.S. military arsenal was the water-cooled ...

A Maplewood man admitted to selling nine machine gun conversion devices to an undercover agent, arranging sales through an ...

Two men from North Philadelphia were arrested Tuesday with a package from China containing illegal gun switches, the devices used to convert semi-automatic firearms into fully automatic machine guns, ...

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 ...

Maryland Attorney General Antony G. Brown and Baltimore Mayor Brandon Scott filed a lawsuit against gun manufacturer Glock, Inc. on Wednesday to hold the company accountable for selling semi-automatic ...