A Glock switch Consequently converts the weapon right into a machine pistol effective at automated fire.[nine] The gadget is about the scale of a Usa quarter, and when mounted around the rear of your slide on a Glock pistol (changing the slide go over plate), provides a selective fireplace switch; https://mariogburg.theideasblog.com/36697463/a-secret-weapon-for-what-is-a-glock-switch