Editor's note: An earlier version of this article incorrectly reported that the switches are installed on Glock 18 and 18C models, which are already fully automatic. The story has since been ...

1 through Dec. 31, 2024. The agency said it stopped 155 shipments containing 354 Glock switches — which modify semiautomatic weapons to make them fully automatic — between January and June.

1 through Dec. 31, 2024. The agency said it stopped 155 shipments containing 354 Glock switches — which modify semiautomatic weapons to make them fully automatic — between January and June.