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.
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