FN FNX-45 .45 ACP FDE

The FNX-45 Tactical is a full-size, polymer-frame handgun chambered in .45 ACP designed for tactical, duty, and range use. It combines ambidextrous controls and ergonomic grip options to support consistent handling in multiple shooting scenarios. The platform is built for users seeking robust .45 ACP performance with modular sighting options.

The handgun pairs a checkered polymer frame with interchangeable backstraps and a serrated, optic-cut stainless steel slide finished in Flat Dark Earth. Controls are fully ambidextrous, and the firearm ships with two magazines and accessories to support customization and sighting choices. A cold hammer-forged stainless steel barrel with a threaded muzzle and raised night sights are part of the design to accommodate suppressed or optic-equipped setups.

Key Specifications

• The action is Double / Single Action.
• The safety system is Ambidextrous/Decocker.
• The sighting system is Fixed 3-Dot Night.
• The slide description is Optic Cut/Serrated.
• The grip material is FDE Interchangeable Backstrap.
• The frame finish is Flat Dark Earth.
• The capacity is 10 + 1.
• The caliber is .45 ACP.
• The accessories included are 2 Magazines.
• The construction material is Polymer.

Buy the FN America / FN Herstal FNX-45 .45 ACP online today for a tactical, full-size pistol option that supports optic mounting and ambidextrous operation. This FNX-45 pistol for sale delivers a combination of modular ergonomics and .45 ACP capability for duty or range applications.

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