After the decision, nonprofit Everytown for Gun Safety also urged lawmakers to pass legislation banning bump stocks, which it called "accessories of war." ...

It replaces the weapon's stock, which is held against the shoulder, and allows the rest of the rifle to slide back and forward with every shot despite having no mechanical parts or springs.

Bump stocks were used in ... But a Texas gun shop owner who challenged the ban said the government went too far in defining the accessories as machine guns, which are mostly illegal under federal ...

“A semiautomatic rifle equipped with a bump stock is not a “machinegun”... because: (1) it cannot fire more than one shot ‘by a single function of the trigger’ and (2) even if it ...