Justice Department officials said it was stepping up efforts to trace guns used in violent crime.
The devices can not be sold in California but are legal in some states.
According to CNN, because the bump stock is not a firearm, the ATF classified it as a firearm part, writing in a letter at the time that it approved the device's sale because it didn't have jurisdiction over regulating firearm parts under the Gun Control Act or National Firearms Act. The ATF left regulation up to each state.
President Donald Trump says his administration is considering whether "bump stock" devices that allow semi-automatic rifles to perform more like fully automatic weapons should be banned in the wake of the Las Vegas massacre. Using one of these bump stocks on his gun increased his firepower, leading to a higher death and injury count.
Sen. John Cornyn, a Republican from Texas, has asked Sen.
"You show me the law that would stop that".
"I wish there was a clear and concise answer", Newman said.
Police believe the Las Vegas shooter used this form of a modification on his guns to turn into automatic weapons.
"I don't think the 80 or 90 million Americans who exercise their Second Amendment rights to own a gun should be punished for the act of one evil person", said Kennedy.
Henry Brady, Dean of the U.C. Berkeley Goldman School of Public Policy says a narrow bill might pass.
Investigators are still trying to figure out what led the 64-year-old to open fire at the Route 91 Harvest Music Festival.
Rep. Nancy Pelosi, D-Calif., has long pushed for more stringent gun laws.
Spooner explains that the bump fire stock "does nothing to make a fire arm more unsafe than anything else". We want to do much more than that.
Getting them now is next to impossible, Sternisha said. "Universal background checks failed in California twice", she said, spouting out mass shooting instances in which a gunman was able to legally obtain a weapon. News 4 talked to several Democratic and Republican lawmakers, and some said it's a discussion worth having.
The lobby group wants gun-owners with concealed-carry permits from one state to be allowed to take their weapons into any other USA state, even if it has stricter firearms limits.
"Right now, our focus, as we've said over the last couple of days, is on healing and uniting the country", White House press secretary Sarah Sanders said Thursday. The organization which holds a powerful sway over members of Congress dismissed some of the initial response from lawmakers who have pressed for more gun control.