![A bump stock uses the recoil of the semiautomatic rifle to let the finger “bump” the trigger, making it different from a fully automatic machine gun, which are illegal for most civilians A bump stock uses the recoil of the semiautomatic rifle to let the finger “bump” the trigger, making it different from a fully automatic machine gun, which are illegal for most civilians](https://www.reviewjournal.com/wp-content/uploads/2017/11/9619264_web1_ap_17277640171487.jpg)
A bump stock uses the recoil of the semiautomatic rifle to let the finger “bump” the trigger, making it different from a fully automatic machine gun, which are illegal for most civilians
![Man's hands are holding two 7.62 mm cartridges for a Kalashnikov assault rifle between fingers Stock Photo | Adobe Stock Man's hands are holding two 7.62 mm cartridges for a Kalashnikov assault rifle between fingers Stock Photo | Adobe Stock](https://as1.ftcdn.net/v2/jpg/02/97/81/70/1000_F_297817039_WX01g1mFMAIWkGzCNERYJApe7cZR8rYU.jpg)
Man's hands are holding two 7.62 mm cartridges for a Kalashnikov assault rifle between fingers Stock Photo | Adobe Stock
![Middle age senior hoary criminal man holding gun weapon over isolated background very happy pointing with hand and finger Stock Photo - Alamy Middle age senior hoary criminal man holding gun weapon over isolated background very happy pointing with hand and finger Stock Photo - Alamy](https://c8.alamy.com/comp/PWDX90/middle-age-senior-hoary-criminal-man-holding-gun-weapon-over-isolated-background-very-happy-pointing-with-hand-and-finger-PWDX90.jpg)
Middle age senior hoary criminal man holding gun weapon over isolated background very happy pointing with hand and finger Stock Photo - Alamy
![Middle age senior hoary criminal man holding gun weapon over isolated background very happy pointing with hand and finger to the side Stock Photo - Alamy Middle age senior hoary criminal man holding gun weapon over isolated background very happy pointing with hand and finger to the side Stock Photo - Alamy](https://c8.alamy.com/comp/T7TWPA/middle-age-senior-hoary-criminal-man-holding-gun-weapon-over-isolated-background-very-happy-pointing-with-hand-and-finger-to-the-side-T7TWPA.jpg)
Middle age senior hoary criminal man holding gun weapon over isolated background very happy pointing with hand and finger to the side Stock Photo - Alamy
![An Israeli soldier rests his finger on the trigger of his rifle during a demonstration against the Israeli separation wall Stock Photo - Alamy An Israeli soldier rests his finger on the trigger of his rifle during a demonstration against the Israeli separation wall Stock Photo - Alamy](https://c8.alamy.com/comp/DD3641/an-israeli-soldier-rests-his-finger-on-the-trigger-of-his-rifle-during-DD3641.jpg)
An Israeli soldier rests his finger on the trigger of his rifle during a demonstration against the Israeli separation wall Stock Photo - Alamy
![Rapid-fire device used in Las Vegas shooting already illegal in California - The San Diego Union-Tribune Rapid-fire device used in Las Vegas shooting already illegal in California - The San Diego Union-Tribune](https://ca-times.brightspotcdn.com/dims4/default/51a8d21/2147483647/strip/true/crop/480x270+0+45/resize/1200x675!/quality/80/?url=https%3A%2F%2Fi.ytimg.com%2Fvi%2FJhftgp_46dg%2Fhqdefault.jpg)
Rapid-fire device used in Las Vegas shooting already illegal in California - The San Diego Union-Tribune
![An Israeli soldier rests his finger on the trigger of his rifle during a demonstration against the Israeli separation wall Stock Photo - Alamy An Israeli soldier rests his finger on the trigger of his rifle during a demonstration against the Israeli separation wall Stock Photo - Alamy](https://c8.alamy.com/comp/DD3P6B/an-israeli-soldier-rests-his-finger-on-the-trigger-of-his-rifle-during-DD3P6B.jpg)