The Tyrant Glock Gen 5 I.T.T.S., aka Improved Tyrant Trigger System, 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. Features : 30 Percent Power Spring Ensures Lightning-Fast Resets Curved Features Allow for Taller Trigger and Greater Comfort for Users with Larger Hands Made with Set Screws in Lieu of Pins to Boost Strength and Sturdiness Fits Glock 17/19/22/23/24/26/27/31/32/33/34/35/37/38/39 Gen5 GLOCK is a registered trademark of GLOCK Inc. 3CR Tactical is not affiliated with, endorsed by, or sponsored by GLOCK Inc. Any reference to GLOCK products is for identification and compatibility purposes only.