Selected Handgun Detail

FN
Model FN-509
FN Pistol FN-509 9 mm Variant-7
Scale To:
Gun Dimensions Width:1.35-in
Length:7.4-in Height:5.2-in
Barrel:4-in Weight:26.5-oz
Variant 7 of 7
Gun Rankings
  • Power Factor (124 grain bullet)142600
  • Recoil Factor (124 grain bullet)5.22 ft-lb
  • Total Capacity16 rounds
  • ConcealabilityGood
  • Defense Factor86%
Gun Specifications
Type:Pistol
Caliber:9 mm
Action:recoil operated semi-automatic
Trigger:striker single-action (SA)
Safety:Glock-style trigger safety
Magazine:15-round
Frame:black polymer
Grip:integrated polymer
Sights:3-dot fixed
Notes:full size, optics ready, accessory rail
Manufacturer
Fabrique Nationale Herstal, SA
More Info
About the Gun

The FN 509 is built on the architecture of the FNS Compact. FN made changes internally and externally to meet the rigorous performance standards of the MHS (Modular Handgun System) competition requirements and further developed the platform into the FN 509 with the help from industry experts. Features a cold hammer-forged stainless barrel, interchangeable grip backstraps, front and rear slide serrations, accessory rail.

Production

Production of this firearm began in 2017, with ongoing manufacturing to meet demand for its reliable design. Specific production dates may vary based on serial numbers, and buyers should consult the manufacturer for precise details on individual units.

Market value
Last updated: 7/11/2025

The MSRP for this gun is approximately $679. In 95% condition, the used market value ranges from $450 to $550 based on recent 2024-2025 sales data from various firearm pricing platforms.

Cartridge Specifications
Cartridge: 9 mm Luger
Alias: 9 mm Parabellum
More Info
Ballistics for This Gun
Selected Bullet Mass:124 grains
MV:1150 ft/sec ME:364 ft-lbs
Analysis

This 9mm striker-fired pistol offers a compelling package for both novice and experienced shooters. Its accuracy is commendable, with a consistent point of impact across various ranges, making it suitable for defensive and recreational use. The ergonomics are well-thought-out, featuring interchangeable backstraps that accommodate different hand sizes, ensuring a secure grip. Reliability is a strong point, as it performs consistently even under adverse conditions with minimal malfunctions during extensive testing. However, maintenance can be somewhat cumbersome due to the complexity of disassembly for thorough cleaning, which may deter less experienced users. Additionally, sourcing replacement parts can be challenging in some regions, potentially delaying repairs. The trigger pull is crisp, averaging around 5.5 pounds, which aids in precision shooting, while the felt recoil is moderate, manageable for most users with proper technique, though it may feel slightly sharp during rapid fire.

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