They’re widely referred to as Machine Gun Conversion Devices. One type, called a Forced Reset Trigger, or FRT, was seized by law enforcement starting in 2021 as a danger to public safety.

During his testimony, Maxwell questioned why the ATF approved another company's forced-reset trigger, the Tac-Con 3MR, which he said fires about as fast as the FRT-15.

The FRT-15 does not fire more than one round with the single pull of a trigger but allows for quicker follow-up shots, the company said.

Rare Breed Triggers has been temporarily banned from selling the forced-reset trigger after a New York-based judge said the device could turn rifles into machine guns.

During his testimony, Maxwell questioned why the ATF approved another company’s forced-reset trigger, the Tac-Con 3MR, which he said fires about as fast as the FRT-15.