A Glock switch thus converts the weapon right into a machine pistol able to automatic fire.[9] The machine is roughly the dimensions of a America quarter, and when put in within the rear from the slide over a Glock pistol (changing the slide address plate), adds a selective hearth switch; https://glockwithswitch37123.wikiannouncing.com/6713291/new_step_by_step_map_for_glock_switch