PEORIA, Ariz. – Apex Tactical Specialties is pleased to announce that the first and only aftermarket drop-in trigger kits available for the FN striker-fired pistol line, the new Apex Action Enhancement Kits for the popular FN 509, FNS and FNS Compact model pistols, are now shipping.

The patent-pending design of the Apex Action Enhancement Kit for FN’s striker-fired pistols includes Apex’s popular Flat-Faced Trigger mounted on an Apex designed proprietary Trigger Bar which is paired with an Apex Sear. When installed the kits reduce trigger pull weight to give you an approx. pull weight in the 5.5 lbs range. Overall trigger travel is optimized to provide a smooth uptake while delivering a crisp trigger break.

The Action Enhancement Kits now shipping for the FN 509 include:

– Black Anodized (Part #119-125)
– Red Cerakoted (Part #119-155)

The Action Enhancement Kits now shipping for the FNS and FNS Longslide (2014 manufacture and later) include:

– Black Anodized (Part #119-114)
– FDE Anodized (Part #119-144

The Action Enhancement Kits now shipping for the FNS Compact include:

– Black Anodized (Part #119-113)
– FDE Anodized (Part #119-143)

Step-by-step installation videos on disassembly and reassembly are available on Apex’s YouTube channel.

The new trigger kits can be ordered direct from Retailers and wholesale distributors that have not yet ordered and wish to stock the new trigger kits can contact Apex at or (623) 322-0200 for pricing and quantity availability.

For more information on parts from Apex Tactical Specialties, visit, like Apex Tactical on Facebook or follow @ApexTactical on Instagram or Twitter. Instructional videos on the installation of Apex parts are available on Apex's YouTube channel.