Republicans open to ban on gun device How Vegas gunman sped rifles ... Bump stocks harness a rifle's recoil, They replace the weapon's stock, which is held against the shoulder, and allow the ...

Lawmakers have questioned the legality of these devices while gun owners - sensing a legislative ... harnesses a rifle's recoil. It replaces the weapon's stock, which is held against the shoulder ...

Then, pressure vents through the hole, reducing recoil and maintaining high muzzle velocity. In other words, the design prevents the machine gun from “shaking” while firing, ensuring its accuracy.