American gun suppliers are selling out of 'bump stock' devices in the wake of the Las Vegas massacre.
Gunman Stephen Paddock used the legal device to make semi-automatic weapons automatic - when he sprayed bullets onto a music festival crowd.
The White House and even the NRA is now conceding it is time to talk about restricting them.
Georgia Gun Store owner Kellie Weeks said bump stocks are not typically big sellers, but they've started flying off the shelves since Monday.
"We're sold out of them and all our distributors are sold out of them."