The Apex Tactical Apex Action Enhancement kit for Glock pistols is drop in replacement kit which replaces the Trigger, Trigger Bar, Safety Plunger, and Connector. This replacement kit features the Apex Action Enhancement Trigger, with Gen 3 Factory Trigger Bar, Apex Ultimate Safety Plunger for Glock and Apex Performance Connector. The kit will directly provide you with a smoother trigger pull and reduce the travel over the factory trigger. You will also notice the reduced rest, crisp break and an approximate 1lb reduction in trigger pull weight.