If the Supreme Court rules that bump stocks aren’t machine guns later this summer, it could quickly open an unfettered marketplace of newer, more powerful rapid-fire devices. The Trump administration, ...

— -- 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, ...

The binary trigger and bump stocks work differently than forced-set triggers. Bump stocks, for example, are frames or components added onto the back of semi-automatic weapons that use the recoil from ...