Evolution Gun Works Flat Trigger Serrated for 1911. These Pistol Triggers from the experts at Evolution Gun Works use a standard straight shoe trigger bow that is staked and red Loctite into place to ensure a secure connection. Plus this EGW Flat 1911 Trigger is designed with a taller trigger shoe that fits guns with frames that may be a little out of spec. Installation of this EGW Flat Standard Face Pistol Trigger requires absolutely no modifications to your gun; the trigger bow simply slides into the frame. Enhance the precision and feel of your pistol when you equip an EGW Flat Pistol Trigger. Specifications for Evolution Gun Works Flat Trigger: Manufacturer: Evolution Gun Works Color: Grey/Black Gun Make: 1911 Platform Gun Model: 1911 Package Contents: Evolution Gun Works Flat Trigger What firearm models does the manufacturer say Evolution Gun Works Flat Trigger is compatible with? The manufacturer suggests that Evolution Gun Works Flat Trigger is compatible with 1911Evolution Gun Works 11307: Flat Trigger Serrated for 1911