FN 509 Compact Tactical 9mm 4.32-inch Threaded

The FN 509 Compact Tactical is an optics-ready compact pistol built for modularity and everyday carry in modern service and range environments. It features a cold hammer-forged threaded barrel and a low-profile optics mounting system that accepts most miniature red dot sights. The design emphasizes ambidextrous controls, enhanced grip texture and compatibility with common muzzle accessories.

Key Specifications

• The caliber is 9mm.
• The barrel length is 4.32 inches.
• The barrel is threaded with a 1/2×28 thread pattern.
• Equipped with the FN low-profile optics mounting system for miniature red dot compatibility.
• The sights are suppressor-height night sights (3-dot).
• The frame material is polymer with an enhanced grip texture.
• The slide is delivered optic-cut and serrated.
• Controls include a fully ambidextrous slide stop and magazine release.
• The frame includes a PICATINNY (MIL-STD-1913) accessory rail.

Compact, configurable and built to integrate modern accessories, the FN 509 Compact Tactical blends practical carry dimensions with features normally reserved for larger service pistols. Its optics-ready slide, threaded muzzle and suppressor-height sights make it well suited for shooters who value modularity and proven ergonomics in a compact platform. The pistol’s construction and control layout support straightforward operation and adaptable setup for range use, duty applications, or everyday carry configurations.