The Apex Tactical Specialties Apex Enhancement Trigger Kit for FN 509, Flat Dark Earth. 119-145 offers an unparalleled upgrade to your firearm. Manufactured by Apex Tactical Specialties, this trigger kit is specifically designed for the FN 509 and comes in a stylish FDE color. With its precise engineering and high-quality construction, this enhancement trigger kit is perfect for those seeking improved trigger performance. The kit includes all necessary components for quick and easy installation. Experience enhanced trigger pull, reduced trigger pre-travel, and a shorter reset with this reliable and durable trigger kit. Upgrade your FN 509 with the APEX TACT AE Enhancement Trigger Kit for a smoother and more responsive shooting experience.