Apex Tactical Specialties Action Enhancement Trigger With Glock OEM Gen 3 Trigger Bar, Red Finish, Fits Glock Models (Gen 3 & Gen 4): G17, G17L, G19, G22, G23, G24, G26, G27, G31, G32, G33, G34, G35, G37, G38, G39, Will Not Fit Gen 5 Models 102-150 The Red Anodized Apex Action Enhancement Trigger" with Gen 3 Factory Trigger Bar" for Glock is a direct drop-in replacement of the factory polymer trigger and provides for a vastly improved trigger pull while maintaining factory safety values.