Trigger Group PartsApex Tactical Specialties IncSold by Brownells

Apex Tactical Specialties Inc

Fn 509 Action Enhancement Trigger Kit - Fn 509 Action Enhancement Trigger Kit, Red

Our editorial team reviews specifications, product data, and field-use information to keep pages accurate.

Drop-in Replacement

For the factory trigger, trigger

Fn 509

Pistols

Aims Lighter,

Smoother trigger pull

Reduces Pre-travel

Overall pull length

Shorter Reset

$156.75
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SKU: 100032731

Overview

This trigger kit is designed for FN 509 owners who want a more refined trigger feel without changing the pistol’s factory safeties. It replaces the factory trigger, trigger bar, and sear, and is intended to reduce pre-travel, shorten the overall pull, and provide a shorter reset. The flat-faced trigger design and drop-in format make it a practical option for shooters who are comfortable following installation instructions and want a DIY upgrade to their handgun.

Why Hunters Choose the Apex Tactical Specialties Inc

Lighter, Smoother

Trigger pull than the factory

Reduced Pre-travel

For a more refined trigger

Shorter Overall

Pull length

Shorter Reset

For faster follow-up shots

Drop-in Replacement

For the factory trigger, trigger

Key Features

  • Drop-in replacement for the factory trigger, trigger bar, and sear
  • Designed for FN 509 pistols
  • Aims for a lighter, smoother trigger pull
  • Reduces pre-travel and overall pull length
  • Provides a shorter reset
  • Machined aluminum flat-faced trigger
  • Does not alter factory safeties

Best Used For

  • FN 509 owners seeking a lighter, smoother trigger pull with reduced pre-travel and shorter reset.
  • Handy DIY users comfortable following instructions for a drop-in trigger, bar, and sear replacement.
  • Shooters wanting to keep factory safeties unchanged while improving trigger feel.
  • Owners looking for a straightforward trigger upgrade without altering the pistol’s core function.

Specifications

ColorRed
CompatibilityFN 509
Included ComponentsFactory trigger, trigger bar, and sear replacement
InstallationEasy-to-install replacement
MaterialMachined aluminum
Pre TravelLess pre-travel
Pull LengthShorter overall pull length
ResetShorter reset
Safety FunctionWill not alter function of factory safeties
Trigger FaceFlat-faced
Trigger TypeAction Enhancement

Pros

  • Lighter, smoother trigger pull than the factory setup
  • Reduced pre-travel for a more refined trigger feel
  • Shorter overall pull length
  • Shorter reset for faster follow-up shots
  • Drop-in replacement for the factory trigger, trigger bar, and sear
  • Does not alter function of factory safeties

Considerations & Trade-offs

  • This kit is a trigger, trigger bar, and sear replacement, so installation is more involved than a simple accessory swap and is best suited to owners comfortable following instructions and working with tools.
  • The description emphasizes a lighter, smoother pull with less pre-travel and a shorter reset, but it does not claim any change to factory safeties or other operating features.
  • It is specific to the FN 509 platform, so it is not a universal trigger solution for other pistols.
  • The flat-faced trigger design may be a preference-driven change; shooters who prefer the factory trigger shape may not want the added modification.

Suggested Comparisons

  • Pistol trigger upgrades
  • Trigger kits
  • FN 509 accessories
  • Handgun parts

Suggested Accessories

  • Gun cleaning kit
  • Gun vise
  • Armorer's tools
  • Trigger guard lock

Frequently Asked Questions

What does the FN 509 Action Enhancement Trigger Kit replace?

It is a drop-in replacement for the factory trigger, trigger bar, and sear on the FN 509.

What changes does this kit make to the trigger pull?

According to the product description, it is designed to provide a lighter, smoother trigger pull with less pre-travel, a shorter overall pull length, and a shorter reset.

Will this kit change the factory safeties on the FN 509?

No. The description states that it will not alter the function of the factory safeties.

Is this something a shooter can install at home?

Yes, the product is described as an easy-to-install, drop-in DIY trigger job for FN 509 owners who are handy with tools and comfortable following instructions.

What material is the trigger face made from?

The description identifies it as a machined aluminum flat-faced trigger.