The Glock 19 is a semiautomatic pistol chambered in 9×19mm by Austrian gun manufaturer Glock introduced in 1988. It is the compact version of the Glock 17, Glock's first model. The magazine holds 15 rounds, but magazines of the Glock 17 with 17 rounds can be used.
The Glock 19 is a striker fired pistol without external safeties, but it features three internal safeties. All three safeties disengage sequentially as the trigger is pulled and reengage when the trigger is released. The trigger safety is incorporated into the trigger in the form of a lever. To fire the pistol, the trigger safety and the trigger must be pressed at the same time. The second safety, the firing pin safety, blocks the firing pin from moving forward in the readytofire condition. As the trigger is pulled rearward, the trigger bar pushes the firing pin safety up and frees the firing pin channel. The drop safety involves the trigger bar, which rests on the safety ramp within the trigger mechanism housing. The trigger bar engages the rear portion of the firing pin and prevents the firing pin from moving forward. As the trigger is pulled rearward the trigger bar lowers down the safety ramp and allows the release of the firing pin. After firing, the trigger bar moves upward and reengages the firing pin.

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