Experience the fastest resetting Glock Gen 5 trigger on the market when you add the I.T.T.S., aka Improved Tyrant Trigger System, to your Glock 19, G17, G23 (and many more). This powerful trigger for the full-frame Glock Gen 5 platforms is equipped with high-performing features, making for an ultra-effective tool with a greater level of efficiency and precision than other standard carry triggers.