Apex Action Enhancement Trigger Kit for FN 509 – Black

Description The Apex Action Enhancement Kit for FN 509 pistols is a direct drop-in replacement for the factory polymer trigger, trigger bar, and sear. The patent-pending design reduces trigger pull weight to an approximate range of 5.5 pounds while also reducing pre-travel, over-travel, overall trigger travel, and trigger reset distance. The kit is engineered to provide a smooth uptake and a crisp, predictable trigger break for controlled, consistent operation. Key Specifications The kit is a direct drop-in replacement for FN 509 factory polymer trigger, trigger bar, and sear. Pull weight is approximately 5.5 lbs. Construction material is aluminum. Finish is Black. Color is Black. Model designation is Action Enhancement. Product type is Trigger. Style is Competition. Designed for shooters who want refined trigger characteristics without complex fitting, the Apex Action Enhancement Kit delivers measurable reductions in pull weight and travel in a durable aluminum package. Its straightforward drop-in design keeps installation simple while improving the trigger feel for competition or performance-oriented use. Related Videos: