FN FNX-45 Tactical FDE — .45 ACP 5.3″ Threaded Barrel

Description

The FN FNX-45 Tactical is a duty-grade semi-automatic pistol built around a cold hammer-forged stainless steel threaded barrel and an FDE polymer frame. It ships with high-profile night sights, ambidextrous controls and an optic-ready slide configuration. The FNX-45 Tactical is intended for users who require robust ergonomics and a platform that accepts multiple sighting options.

Key Specifications

• Chambered in .45 ACP.
• The barrel measures 5.3 inches and is described as cold hammer-forged stainless steel with threads.
• Operation is listed as double-action/single-action.
• The unloaded weight is given as 33.6 ounces.
• The frame material is reported as polymer with a Flat Dark Earth finish.
• The slide is described as stainless steel with optic cut and front/rear serrations.
• Sights are specified as raised night sights.
• The barrel thread pattern is .578×28.
• The slide is stated to have an optic footprint described as multiple and includes mounting bases for optional red-dot sights.
• Controls are fully ambidextrous, including decocking/safety lever, slide stop and magazine release.

Purpose-built for users who value rugged construction and adaptable sighting options, the FNX-45 Tactical pairs proven .45 ACP performance with a threaded barrel and high-profile night sights. The ambidextrous controls, multiple optic mounting provisions and modular backstrap system make it a capable choice for a range of practical applications where reliability, ergonomics and sighting flexibility matter.