Apex Tactical Specialties Action Enhancement Kit for the FN 509 Black

Apex Tactical Specialties Action Enhancement Kit for the FN 509 Black. The patent pending Apex design reduces trigger pull weight to give you an approx. pull weight in the 5.5 lbs range. Trigger travel is also reduced including pre-travel over-travel overall trigger travel and trigger reset distance. It provides a smooth uptake while delivering a crisp trigger break. Expected Results Direct drop-in replacement of factory polymer trigger trigger bar and sear Reduces trigger pull weight to approx.