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Pistol TriggersMid-Range

Apex Tactical

Action Enhancement Trigger Kit (FN 509)

Flat-faced drop-in trigger kit that drops the FN 509's factory pull from ~7 lbs to ~5.5 lbs while tightening pre-travel, over-travel, and reset.

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Quick Specs

Price
$152
Weight
N/A
Brand
Apex Tactical
Category
pistol-trigger

Features

  • •Drop-in kit
  • •~5.5 lb pull weight
  • •Flat-faced trigger
  • •Reduced pre-travel, over-travel, and reset
  • •Maintains factory safety

Capability Boosts

CQB+1
Reliability+1

Recommended For

Home Defense+2
Duty/Patrol
Competition
Vehicle Operations
Range Training
Outdoor Defense

Compatibility Tags

family: handgunframe: fn-509

Pros

  • +Patent-pending geometry delivers a cleaner wall and shorter reset than any other 509 drop-in
  • +Fits every 509 variant including Tactical, Midsize, Compact, LS Edge, and MRD models
  • +Flat-faced shoe improves finger placement consistency under speed
  • +Retains the factory trigger safety blade so carry legality is unchanged
  • +Black, FDE, red, and Freedom Edition finishes available

Cons

  • −Install requires full fire-control-group disassembly (30-45 min for most DIY shooters)
  • −Pull weight reduction is modest versus competition-only hammer-fired kits
  • −Pricier than comparable Glock/CZ drop-ins

Compatible Platforms

+75 more

SIG Sauer

SIG P320 Full Size

SIG Sauer

SIG P320 Compact

SIG Sauer

SIG P320 X-Carry

SIG Sauer

SIG P320 X-Five Legion

SIG Sauer

SIG P320 Spectre Comp

SIG Sauer

SIG P320 AXG Pro

Pairs Well With

Top matches

FN America

FN 509 Tactical

2 shared compatibility tags

Great

SIG Sauer

SIG P320 Full Size

1 shared compatibility tags

Good

SIG Sauer

SIG P320 Compact

1 shared compatibility tags

Good

SIG Sauer

SIG P365X

1 shared compatibility tags

Good

SIG Sauer

SIG P365 XL

1 shared compatibility tags

Good

SIG Sauer

SIG P365 XL Comp

1 shared compatibility tags

Good

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Add the Action Enhancement Trigger Kit (FN 509) to your build and see how it enhances your platform.

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