Glock 19 Insert loaded magazine Use slide to cycle action and load the chamber Press check Cuss because the slide will not go back into battery. Lightbulb: ARs have a forward assist for times like these. Hmmmmm. Glock “safe action” pistols. Hmmmm. Turn Glock 19 around in hand and smack the nearest table with the back end of the slide like a hammer. Top off mag. Holster.