FN FNX-45 TACTICAL | .45 ACP | 5.3″ Threaded | MPN 66981

The FN FNX-45 Tactical is a full-size, optics-ready service pistol chambered in .45 ACP with a 5.3″ cold hammer-forged stainless steel threaded barrel and raised three-dot night sights. The design pairs a low-bore-axis polymer frame and fully ambidextrous controls to favor controllability and consistent handling. For red-dot use consider a Trijicon RMR Type 2 as an effective optics option priced under $1,000 that fits the FNX-45 mounting footprint. This pistol is suitable for competition shooting and suppressed or precision-oriented range work.

Product Specifications

• The caliber is .45 ACP.
• The action is Semi-Auto.
• The barrel measures 5.3 inches and is cold hammer-forged.
• The barrel type is stainless steel, threaded.
• The thread pattern is .578×28.
• The optic footprint supports multiple mounting adapters.
• The sights are raised three-dot night sights.
• The firearm has ambidextrous/decocker safety controls.
• The frame material is polymer with a matte black finish.
• The slide and frame color are both black.
• The rate of twist is 1-in-16.
• The package includes a fitted soft Cordura nylon case and an optic mounting kit.
• The ATF model designation is FNX-45 TACTICAL.
• The UPC is 845737005399.

The FNX-45 Tactical combines proven ergonomics and service-grade features in a package built for extended range sessions and optics-equipped setups. Its threaded stainless barrel, interchangeable backstraps, and controls accessible to either hand make it adaptable for a range of competition and suppressed-shooting applications. The pistol’s profile and mounting options simplify adding a micro red dot while retaining high-profile night sights for co-witness or backup use.

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