▼ 9% below avg
Apex Tactical Specialties Action Enhancement Kit
Lowest Price
$132.34
MSRP
$160
Savings
17% off
Verified In Stock at
2 Stores
Updated
Aug 26, 2026
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Provides crisp trigger break
Reduces trigger pre-travel, over-travel and reset distance
Reduces trigger pull weight to approx. the 5.5 lbs. range
Specifications
Model
Action Enhancement
Series
Trigger Kit
MPN
119-125
UPC
854263007418
Description
Apex Tactical Specialties Action Enhancement Kit Features: This particular Apex Action Enhancement kit was constructed to work in conjunction with the FN 509 semi auto pistol. This kit is a direct drop-in replacement for the factory trigger trigger bar and sear. The approximate pull weight range that you should see is around the 5.5lb mark. Additionally trigger travel is also reduced including the pre-travel over-travel and trigger rest distance. You will notice that this particular kit will provide you with a smooth uptake while delivering a crisp trigger break. Apex Tactical Specialties Action Enhancement Kit Specifications: Apex Tactical Specialties 119-125 Direct drop in replacement for the factory trigger assembly (polymer trigger trigger bar and sear) Reduces trigger pull weight to approximately 5.5 lbs Reduces trigger pre-travel Reduces trigger over-travel Reduces trigger reset distance Provides crisp trigger break Center mounted pivoting safety maintains factory safety values Black One Flat-faced action enhancement trigger with Apex trigger bar One Apex performance sear FN Herstal 509 semi automatic pistol including the FN 509 Midsize Does NOT Fit: FN Herstal FNS FN Herstal FNS Compact







