FN 509 9mm 24-Round Magazine Kit, Black Steel

This FN 509 magazine kit provides a high-capacity replacement magazine engineered for FN 509 pistols. It combines a stainless-steel magazine body with a corrosion-resistant black finish and includes interchangeable polymer extension sleeves to work with Compact, Midsize, and Fullsize frames. Components are built for durable, consistent feeding and serviceable maintenance.

Key Specifications

• The magazine capacity is 24 rounds.
• The caliber is 9mm Luger.
• The magazine body is constructed of stainless steel.
• The exterior has a corrosion-resistant black finish.
• Designed to fit Compact, Midsize and Fullsize FN 509 frames.
• Includes three polymer extension sleeves (grip spacers) and a removable floor plate for configuration options.
• Uses an anti-tilt polymer follower for reliable stacking and feed geometry.
• Employs a steel wire internal spring for consistent tension and durability.

Built with quality materials and precision manufacturing, this FN 509 magazine kit provides a durable, high-capacity option for owners who need versatile fitment and reliable function at the range or in professional use. The included extension sleeves let you tailor grip length while retaining the robust construction expected from FN components.