Apex FN 509 Action Enhancement Flat Trigger Kit | BLK or FDE

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Your Price: $142.45
Retail Price:$149.95
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Apex Tactical Specialties Action Enhancement Kit is a direct drop-in trigger kit to upgrade your FN 509. It has a flat trigger shoe and is available in either Black or Flat Dark Earth. The kit includes parts necessary to replace the factory polymer trigger, trigger bar, and sear. The patent pending design reduces trigger pull weight to approximately 5.5 pound range. This upgraded trigger also reduces trigger travel, including pre-travel, over-travel, overall trigger travel and trigger reset distance. Provides a smooth uptake while delivering a crisp trigger break for your factory FN 509.
Part Number: AFNATK-
Availability: In Stock.

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Apex Tactical Specialties Action Enhancement Kit is a direct drop-in trigger kit to upgrade your FN 509. It has a flat trigger shoe and is available in either Black or Flat Dark Earth. The kit includes parts necessary to replace the factory polymer trigger, trigger bar, and sear. The patent pending design reduces trigger pull weight to approximately 5.5 pound range. This upgraded trigger also reduces trigger travel, including pre-travel, over-travel, overall trigger travel and trigger reset distance. Provides a smooth uptake while delivering a crisp trigger break for your factory FN 509.

Apex Tactical Action Enhancement Kit FN 509 Trigger Upgrade Features:


  • Flat face trigger shoe machined from aluminum
  • Trigger shoe finished in either Black or Flat Dark Earth, FDE
  • Sear made from Stainless Steel and polished
  • Trigger bar made from Stainless steel and finished in Black
  • Kit includes the following items:
    • Flat trigger
    • Apex trigger bar (Patent Pending)
    • Apex performance sear
  • Direct drop-in replacement
  • Reduces the following items:
    • Trigger pull weight to approximately 5.5 lbs
    • Trigger pre-travel
    • Trigger over-travel
    • Trigger reset distance
  • Provides a clean, crisp trigger break
  • Center mounted pivoting safety maintains factory safety values
  • Compatible with the following guns:
    • FN 509 model pistols
    • FN 509 Midsize
  • Not compatible with the FNS or FNS Compact models
  • Can be installed at home, with help from Apex installation videos
     Made in the USA

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