FN 509 Compact 12rd Magazine – 9mm Black Steel

The FN 509 Compact 12-round magazine is a factory-compatible replacement designed for FN 509 Compact pistols chambered in 9mm Luger. It features a stainless steel body with a flat black finish, a high-visibility anti-tilt polymer follower, and an extended (pinky) floorplate to improve purchase. The magazine is manufactured to FN specifications for fit and reliable feeding and is intended as a direct-fit spare or replacement.

Key Specifications

• The capacity is 12 rounds.
• Chambering compatible with 9mm Luger.
• Constructed from steel.
• The finish is matte black.
• Includes a high-visibility anti-tilt follower.
• Features an extended pinky-extension floorplate.
• Designed to fit FN 509 Compact models.
• Not compatible with FNS or FNX series pistols.
• Manufacturer is FN (FN America / FN Herstal).
• Quantity per listing: 1 magazine.

This factory-style magazine offers a dependable spare or replacement for owners of the FN 509 Compact. Built to FN tolerances and finished for everyday durability, it balances rugged construction with straightforward operation. The extended floorplate provides added purchase for handling and reloads while preserving a compact profile for carry and storage.