Action PartsApex Tactical Specialties IncSold by Brownells

Apex Tactical Specialties Inc

Fn 509 Slide Maintenance Kit

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

Complete Replacement

Kit for FN 509 pistol

Includes All

Springs needed to keep the

Direct, Drop-in

Replacements for the OEM slide

Designed Work

All FN 509 models, including

Springs Are

Designed for 10,000 rounds before

$23.75
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SKU: 100038727

Overview

Built for routine upkeep of the FN 509 slide, this maintenance kit provides the replacement springs needed to keep the handgun functioning as intended. It is designed as a direct, drop-in replacement for the OEM springs and is intended for all FN 509 models, including the Midsize. The kit is suited to owners who want to stay ahead of spring wear as part of regular service rather than waiting for a problem to appear. Apex Tactical notes the springs are designed to work for 10,000 rounds before replacement is needed.

Why Hunters Choose the Apex Tactical Specialties Inc

Includes All

Springs needed for FN 509

Direct, Drop-in

Replacement for OEM slide springs

Compatible All

All FN 509 models, including

Designed Work

For up to 10,000 rounds

Purpose-built Kit

For maintaining proper handgun slide

Key Features

  • Complete replacement kit for FN 509 pistol slide maintenance.
  • Includes all springs needed to keep the FN 509 running right.
  • Direct, drop-in replacements for the OEM slide springs.
  • Designed to work with all FN 509 models, including Midsize and Tactical.
  • Springs are designed for 10,000 rounds before replacement is needed.

Best Used For

  • FN 509 owners maintaining a pistol slide after regular range use and round counts accumulate
  • Shooters seeking direct, drop-in replacement springs for all FN 509 model variants
  • Owners of FN 509 pistols planning routine preventative maintenance before spring wear affects function
  • Users who want a complete slide spring replacement kit for a single FN 509 handgun

Specifications

Compatible ModelsAll FN 509 models, including the Midsize
Included ComponentsAll the springs needed for the FN 509 handgun slide
Replacement TypeDirect, drop-in replacement for OEM springs
Round Count10,000 rounds

Pros

  • Includes all springs needed for FN 509 slide maintenance
  • Direct, drop-in replacement for OEM slide springs
  • Compatible with all FN 509 models, including Midsize and Tactical
  • Designed to work for up to 10,000 rounds before replacement
  • Purpose-built kit for maintaining proper handgun slide function

Considerations & Trade-offs

  • This is a slide maintenance kit, so it addresses spring replacement rather than a full slide refresh or broader pistol maintenance needs.
  • The kit is intended as a direct, drop-in replacement for OEM slide springs, so it is most relevant when you want to stay close to factory configuration.
  • The stated 10,000-round service interval means it is a wear-item solution that will need periodic replacement over time.
  • Compatibility is described for FN 509 models, including Midsize and Tactical variants, so it is not presented as a universal handgun maintenance kit.

Suggested Comparisons

  • Pistol spring replacement kits
  • FN 509 maintenance parts
  • Handgun slide service kits

Suggested Accessories

  • Pistol cleaning kit
  • Gun oil
  • Armorer's punch set
  • Bench mat

Frequently Asked Questions

What is included in the FN 509 Slide Maintenance Kit?

The kit includes the springs needed to replace the OEM springs in the FN 509 handgun slide.

Which FN 509 models does this maintenance kit fit?

According to the product description, it works for all FN 509 models, including the Midsize and Ta.

Are these springs a direct replacement for the factory parts?

Yes. The description says each spring is a direct, drop-in replacement for the OEM springs in the handgun slide.

How often should the springs be replaced?

The product description states the springs are designed to work for 10,000 rounds before needing replacement.

Does this kit include any performance details beyond replacement springs?

No additional performance claims are provided in the source data beyond being a replacement spring kit for the FN 509 slide.