ProMag builds this magazine (part no. FNH-A11) for the FN 509 Compact, chambered in 9mm Luger and holding a 12-round capacity in a blued steel body. It’s a straightforward aftermarket spare for 509 Compact owners who want an extra magazine on hand for range use or as a carry backup. For ProMag owners of an FN 509 Compact, this handgun magazine is a durable, affordable spare.

Key Specifications

• Chambered in 9mm Luger, matching the 509 Compact’s factory chambering.
• Holds 12 rounds.
• Fits the FN 509 Compact.
• Built from blued steel for durability.
• Measures 4.4 inches in overall length.
• A detachable magazine for quick reloads.
• Restricted from direct shipment to California, Rhode Island, and Washington.
• Ships as a single magazine.
• Manufactured by ProMag.

Frequently Asked Questions

What pistol does this magazine fit? The FN 509 Compact chambered in 9mm Luger.

How many rounds does it hold? 12 rounds.

Buy the ProMag FN 509 Compact Magazine

A durable blued-steel spare built for the 509 Compact, this ProMag magazine is an affordable way to keep a backup magazine loaded. Order it from our Lubbock, Texas gun shop for fast, insured shipping.