FN FNX-45 Tactical FDE .45 ACP 5.3in Threaded Barrel

The FN FNX-45 Tactical is a full-size, semi-automatic service pistol offered in Flat Dark Earth finish. It features a cold hammer-forged, threaded stainless steel barrel, raised combat night sights, and an optic-ready slide. Ambidextrous operating controls and interchangeable backstraps provide user adaptability for a wide range of hands and carry preferences.

Key Specifications

• The caliber is .45 ACP.
• The barrel measures 5.3 inches and is cold hammer-forged stainless steel.
• The action is Semi-Auto.
• The frame construction is polymer.
• The finish is Flat Dark Earth on slide and frame.
• The barrel is described as stainless steel, threaded.
• The thread pattern is .578x28 tpi with a thread protector.
• The optic footprint supports multiple mounting patterns and includes mounting bases.
• The sights are night sights with raised profile for suppressor use.
• The pistol includes ambidextrous safety/decocking, slide stop and magazine release controls.

The FNX-45 Tactical combines service-oriented ergonomics with features tailored for an optic-ready duty pistol: a threaded barrel for accessory compatibility, raised night sights for sighting with a suppressor installed, and a serrated slide with optic cuts to accept a variety of red-dot footprints. Its blend of stainless-steel components and a flat dark earth polymer frame make it a practical choice for users who want a reliable, configurable platform with modern service features.