Apex Tactical Specialties 102117: The Action Enhancement Kit for Slim Frame Glock pistols (G43, G43X, G48) features the Apex Action Enhancement Trigger, with Trigger Bar, and an Apex Performance Connector. The kit is a direct drop-in replacement of the factory polymer trigger and connector and provides for a smoother trigger pull with reduced travel, reduced reset and a crisp break. Includes Apex Action Enhancement Trigger with trigger bar for slim frame Glock and Apex Performance connector. *Not for use in the Glock 42.