The high court found the Trump administration did not follow federal law when it reversed course and banned bump stocks after a gunman in Las Vegas attacked a country music festival with assault rifles in 2017struck down a Trump era-ban on bump stocks, the gun attachments that allow semi-automatic weapons to fire rapidly like machine guns, saying it violates federal law.after the Las Vegas mass shooting in 2017. Many of the weapons were equipped with bump stocks and high-capacity magazines.
Bump stocks are accessories that replace a rifle’s stock, the part that rests against the shoulder. They harness the gun’s recoil energy so that the trigger bumps against the shooter’s stationary finger, allowing the gun to fire rapidly. The plaintiffs argued that rifles with bump stocks are different from machine guns because the trigger keeps moving and the shooter must continue to exert pressure on the weapon.