FN FNX-45 Tactical .45 ACP 5.3in Threaded FDE 15+1

The FNX-45 Tactical from FN America / FN Herstal is a full-size .45 ACP platform designed for professional and informed shooters who need a threaded, optic-ready handgun with robust controls. It pairs a cold hammer-forged stainless steel barrel with a Flat Dark Earth polymer frame and fully ambidextrous controls, including an ambidextrous safety/decocker. The slide features high-profile night sights and includes mounting bases for multiple red-dot footprints while the threaded muzzle accepts accessories compatible with a .578×28 thread pattern.

Key Specifications

• The caliber is .45 ACP.
• The barrel length is 5.3 inches and is cold hammer-forged stainless steel.
• The muzzle uses a .578×28 thread pattern with a thread protector.
• The magazine capacity is 15 rounds (15+1 when loaded).
• The pistol includes two 15-round magazines and a fitted soft Cordura nylon case.
• The frame material and grips are Flat Dark Earth polymer with interchangeable backstraps.
• The action is Semi-Auto with fully ambidextrous controls and decocker/safety.
• The sights are high-profile night sights suitable for use with a suppressor and optic mounting bases.
• The firearm is optic-ready with multiple footprint mounting bases and a MIL-STD-1913 accessory rail.
• The unloaded weight is approximately 33.6 oz.

Thoughtfully configured for duty, range, and precision applications, the FNX-45 Tactical combines proven .45 ACP performance with a threaded, optic-capable slide and user-configurable ergonomics. Its ambidextrous controls, robust construction, and included accessories make it a practical choice for shooters who value versatility and reliability in a full-size platform.

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