FN 509 BACK From the DEAD // How is this Possible??

Published on September 29, 2019
Duration: 17:47

This video details a common firing pin failure in the FN 509 Tactical after approximately 2,100 rounds, recommending the Apex Tactical Heavy Duty Firing Pin as a solution. It also compares Henry Holsters and WAR compensators, highlighting the Henry Holsters Version 2's superior reliability and cycling performance with standard 9mm ammunition. The Apex pin not only prevents primer drag but also improves trigger feel and reset.

Quick Summary

The OEM firing pin on the FN 509 Tactical can fail around 2,100 rounds, causing 'primer drag.' The Apex Tactical Heavy Duty Firing Pin is a recommended upgrade that eliminates this issue and improves trigger feel. The Henry Holsters compensator also proved more reliable in testing.

Chapters

  1. 00:00FN 509 Firing Pin Failure Explained
  2. 01:44FN 509 Compensator Comparison: Henry Holsters vs WAR
  3. 04:45Apex Tactical Firing Pin Upgrade Review
  4. 06:00How to Identify Firing Pin Failure
  5. 07:34Apex Firing Pin Trigger Improvement
  6. 11:08Compensator Reliability & Safety Issues
  7. 13:37Live Fire Compensator Performance Test

Frequently Asked Questions

What causes firing pin failure in the FN 509 Tactical?

The OEM firing pin in the FN 509 Tactical can fail after approximately 2,100 rounds. This failure often manifests as 'primer drag,' where the pin doesn't retract cleanly, potentially leading to misfires and requiring replacement.

What is the best upgrade for the FN 509 firing pin?

The Apex Tactical Heavy Duty Firing Pin is recommended. It's made from heat-treated stainless steel, eliminates primer drag issues common with the OEM pin, and also improves trigger pull and reset feel.

Which compensator is more reliable for the FN 509 Tactical?

During testing, the Henry Holsters compensator (Version 2) demonstrated superior reliability, cycling 115gr range ammo effectively with the OEM guide rod. The WAR compensator experienced cycling issues.

How can I check for firing pin issues on my FN 509?

Examine the primer strikes on your spent 9mm casings. A worn or failing OEM firing pin often leaves a distinct 'drag' mark across the primer, whereas a healthy pin produces a clean, circular indentation.

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