FN509M 9mm Midsize Tactical – FN America / FN Herstal

The FN America / FN Herstal FN509M 9mm is a midsize tactical pistol built for practical duty, everyday carry, and range versatility. Its design prioritizes controllability and fast sight acquisition while supporting optical sights and suppressor use.

The pistol pairs a matte-black polymer frame with a serrated, optics-ready steel slide and a cold hammer-forged threaded barrel. Ergonomic texturing, interchangeable backstraps, and fully ambidextrous controls contribute to a secure, adaptable grip and intuitive operation.

Key Specifications

• The caliber is 9mm.
• The action is Semi-Auto.
• The barrel length is 4.5 inches.
• The barrel thread pattern is 1/2x28.
• The optics interface is MULTIPLE (FN Low-Profile Optics-Mounting System).
• The sights are Suppressor-height night sights.
• The frame material is Polymer.
• The finish is Matte Black / PVD.
• The weight is 26.5 oz.
• The pistol ships with 2 magazines.

State Restrictions: This firearm is not available for sale in California, Illinois, and Oregon. This firearm is not available for direct shipment to Rhode Island and Washington.

With optics readiness, a threaded barrel, and a durable polymer frame, the FN America / FN509M 9mm offers a balanced package for users seeking a versatile midsize tactical pistol. Buy the FN America / FN509M 9mm pistol online today for a dependable option suited to range, duty, and carry applications.

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