The FN-USA 509 Tactical

Published on December 5, 2019
Duration: 15:56

This video provides an in-depth review of the FN 509 Tactical pistol, highlighting its features as an optics-ready and suppressor-ready firearm. The presenter, with apparent expertise, discusses its origins from the XM17 program, its ambidextrous controls, and its well-made construction. The review includes detailed insights into its reliability with various ammunition types, particularly when suppressed, and offers a step-by-step guide for its disassembly.

Quick Summary

The FN 509 Tactical is an optics-ready and suppressor-ready pistol known for its reliability and ambidextrous controls. It features a patented MRD mounting system accommodating over ten red dot sights and comes with suppressor-height tritium sights. The pistol demonstrated 100% reliability with most tested ammunition, both suppressed and unsuppressed, making it a versatile choice for various applications.

Chapters

  1. 00:08Introduction to FN 509 Tactical
  2. 00:20Thanks to The Gun Room
  3. 00:36XM17 Program Origins
  4. 01:15Magazine Capacities
  5. 01:32Included Accessories
  6. 01:55Frame Features & Grip
  7. 02:06Ambidextrous Controls
  8. 02:15Trigger and Safeties
  9. 02:30Picatinny Rail and Light
  10. 02:57Mechanical Safeties Explained
  11. 03:23Trigger Pull Weight and Feel
  12. 03:41Bore Axis and Follow-up Shots
  13. 03:49Slide Serrations and Indicators
  14. 04:03Suppressor Height Sights
  15. 04:16MRD Optics Mounting System
  16. 04:48Optics Mount Inserts
  17. 05:00Charging Assistance Feature
  18. 05:17Adapter Plate Wings
  19. 05:33Optic Co-Witness with Irons
  20. 05:45Barrel Specifications
  21. 05:59Cold Hammer-Forged Barrel
  22. 06:17Recoil Springs for Suppressed Use
  23. 06:44Disassembly Procedure
  24. 07:17Barrel Lock-up Feature
  25. 07:33Frame Material
  26. 07:39Back Strap Removal
  27. 07:43Magazine Well and Catch
  28. 07:56Reassembly
  29. 08:16Thread Protector
  30. 08:26Take-up Feel
  31. 08:34Reliability Testing Overview
  32. 08:41Ammunition Testing Setup
  33. 09:09115gr FMJ Performance
  34. 09:25Sig M17 124gr +P Performance
  35. 09:39Sig 124gr FMJ Performance
  36. 10:07Sig 147gr Match Elite Performance
  37. 10:26Federal 147gr Syntek Performance
  38. 11:12American Eagle 124gr Subsonic Issues
  39. 11:39Malfunction Examples
  40. 12:14Ammunition Design Hypothesis
  41. 12:30American Eagle Recommendation
  42. 13:05Firearm Specifications
  43. 13:25Fit and Finish
  44. 13:31Overall Reliability
  45. 13:39Popularity and Use
  46. 13:57Value Proposition
  47. 14:14Final Verdict
  48. 14:26Comparison to Glock and FNX 45
  49. 15:00FN's Reputation as Contractor
  50. 15:18Recommendation for Striker-Fired Pistols
  51. 15:31Ammunition Compatibility Recap
  52. 15:51Call to Action

Frequently Asked Questions

What are the key features of the FN 509 Tactical?

The FN 509 Tactical is an optics-ready and suppressor-ready pistol featuring ambidextrous controls, a 4-inch threaded barrel with 1/2x28 threads, and FN's patented MRD mounting system for various red dot sights. It also includes suppressor-height tritium sights for co-witnessing.

How reliable is the FN 509 Tactical with different ammunition types?

The FN 509 Tactical demonstrated excellent reliability, performing 100% with a variety of 115-grain FMJ, 124-grain +P, 124-grain FMJ, and 147-grain subsonic ammunition, both suppressed and unsuppressed. Only one specific subsonic load caused issues.

What is the FN 509 Tactical's optics mounting system?

FN's patented MRD (Micro Red Dot) mounting system utilizes interchangeable inserts designed to securely mount over ten different commercially available red dot sights. These inserts feature dovetails for enhanced strength and stability, preventing the optic from coming loose.

Does the FN 509 Tactical come with different recoil springs?

Yes, the FN 509 Tactical includes two recoil springs to optimize performance. A standard 24-pound spring is included for general use, along with a lighter 17-pound spring specifically designed for use with suppressors or lighter ammunition loads to ensure proper cycling.

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