ARTV—Review: FN509

Published on October 16, 2019
Duration: 2:43

This review of the FN 509 highlights its features as a full-size, striker-fired, polymer-framed semi-automatic pistol chambered in 9mm. Key technical specifications include its dimensions, weight, and a double-action striker system with a trigger pull calibrated between 5.5 and 7.5 pounds. The review emphasizes FN's commitment to ambidexterity with controls on both sides and details the four passive safety systems. Ergonomic improvements over the FNS line are noted, along with the inclusion of a Picatinny rail and a replaceable backstrap system. The sights are described as 3-dot with photoluminescent elements, and a visual loaded chamber indicator is present.

Quick Summary

The FN 509 is a full-size, 9mm striker-fired pistol with a polymer frame, measuring 7.34 inches long and weighing 25.3 ounces empty. It features ambidextrous controls, four passive safety systems, and a trigger pull between 5.5-7.5 pounds. Ergonomic enhancements include aggressive texturing and a slimmer trigger guard approach.

Chapters

  1. 00:04Introduction and Applause
  2. 00:12FN 509 Overview
  3. 00:30Action Type and Trigger
  4. 00:45Ambidexterity and Controls
  5. 00:58Passive Safety Systems
  6. 01:14Ergonomic Improvements
  7. 01:31Accessory Rail and Backstraps
  8. 01:40Sights and Loaded Chamber Indicator
  9. 02:06Barrel and Accuracy
  10. 02:14Commercial Market Performance
  11. 02:37Further Reviews

Frequently Asked Questions

What are the key dimensions and weight of the FN 509 pistol?

The FN 509 is 7.34 inches long and 5.5 inches tall, featuring a 4-inch barrel. It weighs approximately 25.3 ounces with an empty magazine, making it a substantial yet manageable full-size handgun.

What type of trigger system does the FN 509 use and what is its pull weight?

The FN 509 employs a double-action striker system. Its trigger pull is factory-calibrated to fall between 5.5 and 7.5 pounds, offering a balance between light enough for accuracy and heavy enough to prevent accidental discharges.

Does the FN 509 have manual safeties?

No, the FN 509 does not feature a manual safety. Instead, it relies on four passive safety systems: a striker block, drop safety, trigger disconnect, and a trigger safety lever, which prevent firing unless the trigger is deliberately pulled and the slide is in battery.

What ergonomic improvements were made to the FN 509 compared to previous models?

The FN 509's frame was redesigned with more aggressive grip texturing, a slightly shortened beaver tail, and contoured high frame changes to create a slimmer approach to the trigger guard for improved handling and grip.

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