for a GLOCK Gen 3 trigger compatible with GLOCK systems and designed to optimize performance, consider Tyrant CNC's I.T.T.S Trigger, a popular upgrade for your Gen 3 or Gen 4 GLOCK handgun. The I.T.T.S. trigger features a 15% reduction in take-up and a 10% decrease in reset travel distance. Features : Color: Grey Shoe, Black Safety Drop-In Replacement Fits GLOCK Generation: 3 and 4 Fits GLOCK Models: 17, 19, 22, 23, 24, 26, 27, 31, 32, 33, 34, 35, 37, 38, 39 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.