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

The FN FNX-45 Tactical is a full-size, semi-automatic pistol chambered in .45 ACP designed for duty, competition, and defensive use. It features a cold hammer-forged, threaded stainless steel barrel and an optic-ready slide with mounting bases for red-dot sights. The ergonomically profiled polymer frame includes interchangeable backstraps and fully ambidextrous controls for versatile handling.

Key Specifications

• Chambered in .45 ACP for a widely recognized service cartridge.
• The barrel measures 5.3 inches and is cold hammer-forged with a threaded muzzle at .578x28 tpi.
• The slide is optic-ready and includes two mounting bases for optional red-dot electronic sights.
• Sight package consists of high-profile combat night sights compatible with suppressor-height sight setups.
• The frame is constructed of polymer with a matte black finish and interchangeable backstraps for a custom fit.
• Operating controls are fully ambidextrous, including decocking/safety lever, slide stop, and magazine release.
• Includes a fitted soft Cordura nylon case plus optic mounting plates and screws.
• Includes two magazines as standard equipment.
• Features a MIL-STD 1913 accessory rail on the frame for lights and lasers.

The FN FNX-45 Tactical combines robust materials and practical features for a reliable duty-grade pistol. Its threaded barrel and optic-ready slide accommodate a range of accessory options, while the ambidextrous controls and interchangeable backstraps support comfortable, repeatable operation. This configuration is suited to users who need a full-size .45 ACP platform with accessory flexibility and dependable ergonomics.