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FN 509C Compact 9mm 3.7″ Black — 2 Magazines

SKUCSSI|RJ66100816 Conditionnew CategorySemi Auto Handguns
$529.00
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About this product

The FN 509C Compact is a purpose-built compact 9mm pistol featuring a 3.7-inch barrel and a shortened grip for easier concealment. The design pairs a matte black polymer frame with a serrated stainless slide and a cold hammer-forged barrel. It ships with two magazines, interchangeable backstraps and a MIL-STD-1913 accessory rail for lights or lasers. Low-profile snag-free sights with a High-Viz front dot and full ambidextrous controls support practical carry and everyday handling.

Key Specifications

  • The caliber is 9mm.
  • The barrel length is 3.70″.
  • The frame material is Polymer.
  • The slide is serrated.
  • The sights are Low-profile, High-Viz front dot.
  • The pistol ships with 2 magazines.
  • The frame finish is Matte Black.
  • The weight is 25.5 oz.
  • The barrel type is Cold Hammer Forged.
  • It includes a MIL-STD-1913 accessory rail.

Engineered for discreet carry without sacrificing real-world capability, the FN 509C Compact combines compact ergonomics and durable construction for reliable service in daily-use roles. Its compact footprint, accessory-ready frame and user-adjustable grip options make it a practical choice for those seeking a no-nonsense compact platform built to handle routine use.

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Specs at a glance

FN 509C Compact 9mm 3.7″ Bl… SPECS AT A GLANCE 25.5 oz WEIGHT 9mm SIZE
Editorial diagram — measurements verified during testing.

Key attributes

upc845737012809
manufacturerFN America / FN Herstal
manufacturer part number66-100816
actionDA
atf typePistol
barrel length3.7"
caliber/gauge9mm
capacity10
colorBlack
length11.5
number of magazines2 10 rd.
package height2.5
package width8.2
product typeSemi-Auto Pistol
safetyNo
shipping weight3.2
sightsLow-Pro | High-Vis Front
sights typeHiViz Front, Low Profile Rear
slide descriptionSerrated
units per box1
Sources & methodology. Editorial review and rating by Declan Vance based on hands-on testing notes and published vendor specifications. Pricing verified at time of publication.
$529.00