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Fn 509 Curved Action Enhancement Trigger Kit
Our editorial team reviews specifications, product data, and field-use information to keep pages accurate.
$152.00
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SKU: 100038726
Overview
Built for shooters who want a cleaner trigger press in an FN 509, this drop-in kit replaces the OEM trigger, trigger bar, and sear with a curved trigger design. It is intended for competition or duty use where a more controlled press can matter. The kit is described as reducing trigger-pull weight to about 5.5 pounds while also cutting pre-travel and overtravel by 50 percent. For users who want to refine the pistol’s trigger without a more involved modification, it offers a straightforward upgrade path.
Why Hunters Choose the Apex Tactical Specialties Inc
Direct Drop-in
Replacement for the FN 509
Curved Trigger
Design for a familiar, controlled
Reduces Trigger-pull
Weight to about 5.5 pounds
Cuts Pre-travel
Overtravel by 50 percent
Improves Trigger
A smoother, easier press
Key Features
- Drop-in trigger-enhancement kit for the FN 509.
- Curved trigger design for the FN 509 platform.
- Direct replacement for the OEM trigger, trigger bar, and sear.
- Reduces trigger-pull weight to about 5.5 pounds.
- Cuts pre-travel and overtravel by 50 percent.
- Aims to provide a smoother, easier trigger press.
Best Used For
- FN 509 owners seeking a drop-in trigger upgrade for competition or duty use
- Shooters wanting reduced trigger pull weight and shorter trigger travel
- Users replacing the OEM trigger, trigger bar, and sear with a direct-fit kit
- Hunters or range shooters preferring a curved trigger design and smoother press
Specifications
| Compatible Model | FN 509 |
|---|---|
| Included Components | Trigger, trigger bar, sear |
| Installation Type | Direct drop-in replacement |
| Overtravel Reduction | 50 percent |
| Pre Travel Reduction | 50 percent |
| Trigger Pull Weight | about 5.5 pounds |
| Trigger Type | Curved |
Pros
- Direct drop-in replacement for the FN 509 OEM trigger, trigger bar, and sear
- Curved trigger design for a familiar, controlled trigger feel
- Reduces trigger-pull weight to about 5.5 pounds
- Cuts pre-travel and overtravel by 50 percent
- Improves trigger pull with a smoother, easier press
Considerations & Trade-offs
- Designed specifically for the FN 509, so it is not a universal trigger upgrade and is limited to compatible pistols.
- This is a direct drop-in replacement for the OEM trigger, trigger bar, and sear, so installation still requires careful attention to fit and function.
- The reduced trigger-pull weight and shortened travel change the pistol’s trigger feel, which may not suit users who prefer the original factory setup.
- The product description focuses on trigger characteristics rather than broader duty or competition use factors, so those trade-offs should be evaluated separately.
Suggested Comparisons
- Trigger upgrade kits
- Replacement trigger assemblies
- FN 509 accessories
- Competition pistol parts
Suggested Accessories
- Pistol cleaning kit
- Trigger guard lock
- Gun vise
- Range bag
Frequently Asked Questions
What firearm is this trigger kit made for?
It is designed for the FN 509.
Is this a drop-in replacement?
Yes. The description says it is a direct, drop-in replacement for the OEM trigger, trigger bar, and sear.
What changes does the kit make to the trigger pull?
According to the product description, it reduces trigger-pull weight to about 5.5 pounds and provides a smoother, easier press.
Does this kit change trigger travel?
Yes. The description states that pre-travel and overtravel are reduced by 50 percent.
What trigger style does this kit use?
It features a curved trigger design.