trigger safety, firing pin safety and disconnector safety Trigger safety keeps trigger from being pilled unless blade in trigger is depressed firing pin safety blocks firing pin unless trigger is pulled When you pull the trigger, the trigger system releases the fully pre-loaded striker assembly, firing the pistol. Pulling the trigger does not partially load the striker spring as with the Glock and many other striker-fired-pistol designs. Therefore, the PPQ trigger-pull is absent that springy, spongy feel of typical striker-fired handguns. The PPQ trigger pull weight is entirely due to the trigger and disconnector springs, and (according to Walther) has a trigger travel of approximately .4 inch with a relatively short trigger reset of .1 inch. The preset internal striker has a let-off point and trigger-pull weight that remain unchanged from the first shot to the last.