Glock performance trigger used very little The GLOCK Performance Trigger delivers enhanced trigger pull qualities and ergonomics utilizing a newly designed flat-faced trigger. The GLOCK Performance Trigger provides better trigger control resulting in improved shootability and accuracy while maintaining the safety features of the GLOCK Safe Action System.Features: Flat Face Trigger Includes Trigger w/Bar and Complete Housing Compatible with Gen4 and Gen5 models G26, G19, G17, G34 and models G19X, G44, G45, G47, G49 and even the .380 G28PLEASE NOTE: To use this trigger in a Gen 4 Glock you must use a Gen 5 slide cover plate. A Gen 5 slide cover plate will be included with the trigger.