— -- 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, ...

A Philadelphia judge upheld the city’s ban on gun modifiers like switches and bump stocks, a rare legal win amid ongoing state preemption battles. FILE - A bump stock is displayed in Harrisonburg, Va.

A new state law banning rapid fire devices that turn guns from semi-automatic to fully automatic weapons went into effect Friday. Democratic members of the state Senate Judiciary Committee pushed for ...