The FN 509C 17-round magazine is a factory OEM replacement designed for 9mm pistols. It features heat-treated stainless steel construction with a black finish for enhanced durability and corrosion resistance. Internal components include a steel wire spring and an anti-tilt polymer follower to support reliable feeding and consistent function.
Key Specifications
- The magazine holds 17 rounds.
- The cartridge type is 9mm Luger (9×19).
- Construction is heat-treated stainless steel for the body.
- The finish is black.
- The internal spring is steel wire.
- The follower is an anti-tilt polymer follower.
- Numbered witness holes provide quick visual round counts.
- The baseplate is a black baseplate.
- The package weight is 0.25 lb.
- Application is specified for centerfire pistols.
Note: This item is restricted from direct shipment to California, Rhode Island, and Washington, and is not for sale in Illinois (PICA) as indicated by the manufacturer.
Built to FN’s factory specifications, this magazine provides a durable, serviceable option for owners of compatible 509C pistols who require a high-capacity OEM magazine. The stainless construction, polymer follower, and witness holes make it well suited for routine carry, practice, and range use where reliability and straightforward serviceability are priorities.
This description was generated with AI and may contain errors. Verify specifications and legal restrictions with the manufacturer before purchase. Provided “as-is” without warranties or guarantees.




