FN 509® Compact 9mm 17rd Magazine w/ sleeve - FDE

SKU: FN21B-A479
Manufacturer part number: 20-100511

The FN® 509C™ 9mm 17-Round Magazine is a factory OEM magazine, constructed of heat-treated stainless steel with a black finish for superior durability and corrosion resistance in any environment. The steel wire internal spring and anti-tilt polymer follower ensure flawless feeding, while numbered witness holes allow for quick, visual round counts in the field. The polymer extension sleeve integrates with your pistol’s frame for snag-free carry, while the removable floor plate allows for quick disassembly for maintenance and cleaning.


  • Stainless steel body
  • Corrosion-resistant black finish
  • Durable polymer extension sleeve
  • Removable floor plate
  • Steel wire internal spring
  • Anti-tilt polymer follower
Availability: In Stock
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