FN 509 Tactical 9mm 4.5″ Threaded Barrel Black

Description

The FN 509 Tactical is an optics-ready variant of the FN 509 designed to accept multiple miniature red dot optics without milling the slide. It features a 4.5-inch cold hammer-forged stainless steel barrel with 1/2″-28 threads and a thread cap with integrated O-ring, plus suppressor-height night sights for sighting with an optic or iron sights. The pistol ships with interchangeable backstraps and two magazines to support extended training or duty use.

Key Specifications

• The caliber is 9mm.
• The barrel length is 4.5 inches with 1/2″-28 thread pattern and a thread cap with O-ring.
• The action is a Semi-Auto striker-fired platform.
• The firearm includes one 17‑round and one 24‑round magazine.
• The slide features the FN Low-Profile Optics Mounting System and an optic-ready/serrated slide cap.
• The sights are suppressor-height night sights to co-witness with optics.
• The frame is black polymer with interchangeable backstraps and enhanced grip texture.
• The weight is listed as 27.9 oz (as provided by manufacturer data).
• The overall length is 7.9 inches.
• The package includes an FN soft case and two magazines.

Purpose-built for duty, range, and precision-oriented shooting, the FN 509 Tactical pairs an optic-ready slide with a threaded, cold hammer-forged barrel and suppressor-height sights to offer a versatile platform for shooters who value adaptability and robust construction. Its polymer frame, interchangeable backstraps and included higher-capacity magazines make it appropriate for extended practice sessions, formal training, and applications that benefit from quick follow-up shots and modular optic options.

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