The ProMag Mag Fn 509 Comp 9mm 12rd Blued Steel magazine is purpose-built to keep your FN 509 Compact running smoothly with dependable feeding and a comfortable grip profile. Its heat-treated steel body with a black oxide finish is designed to handle regular range sessions while maintaining a clean, low-profile look that complements the pistol.

This 12-round magazine is ideal for everyday carry, home defense, or extended practice at the range, offering a balance between capacity and concealability for the FN 509 Compact 9mm pistol. The injection molded follower and chrome silicone wire spring work together to promote consistent, reliable cycling shot after shot, reflecting ProMag’s focus on practical performance and dependable design.

Key Features:

• Manufacturer: ProMag
• Model: FNHA11
• Caliber: 9mm
• Capacity: 12 rounds
• Compatible Firearm: FN 509 Compact 9mm pistol
• Magazine Body: Heat treated steel with black oxide finish
• Follower: Injection molded
• Spring: Heat treated chrome silicone wire