FN FNX-45 Tactical | .45 ACP | 5.3″ | FN 66982

The FN FNX-45 Tactical is a full-size, semi-automatic pistol chambered in .45 ACP that pairs a threaded, cold hammer-forged barrel with an optic-ready slide and ambidextrous controls. It ships in Flat Dark Earth with raised three-dot night sights, interchangeable backstraps, and an optic mounting kit that accepts multiple footprints. For a red-dot that pairs well with this slide footprint and threaded barrel, consider a Trijicon RMR or a comparable compact pistol red dot priced under $1,000.

Product Specifications

• The UPC is 845737005405.
• The caliber is .45 ACP.
• The action is Semi-Auto (Double-action/Single-action).
• The barrel measures 5.3 inches and is cold hammer-forged with threads.
• The barrel thread pattern is .578×28.
• The frame material is polymer with an applied Flat Dark Earth finish.
• The slide finish is Flat Dark Earth on stainless steel.
• The pistol includes an optic mounting kit with plates to accept multiple footprints.
• The sights are raised three-dot night sights suitable for use with a suppressor or tall sights.
• The magazine capacity is 10 rounds.
• Number of magazines included is listed as 2 (sources conflict; see notes).
• The pistol ships with interchangeable backstraps to customize grip fit.
• The controls are fully ambidextrous, including decocker/safety, slide stop, and magazine release.
• The weight is listed as 33.6 oz (sources vary) in the provided data.

The FNX-45 Tactical is well suited to range training and competition where a full-size .45 platform, threaded barrel, and optic readiness are desirable. Its combination of a long sight radius, night sights, and ambidextrous controls make it a practical choice for disciplined shooters who want a robust, service-pattern pistol in Flat Dark Earth finish. The threaded barrel and optic mounting options add versatility for users who plan to fit suppressors or red-dot sights.

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