FN America / FN Herstal FN 545 Tactical .45 ACP

The FN 545 Tactical is a full-size tactical pistol built for range use, duty applications, and situations where optics and suppressor compatibility are required. Its design emphasizes controllability and modular sighting options while accommodating large-bore .45 ACP performance.

The pistol pairs a Flat Dark Earth polymer frame with a machined steel threaded barrel finished in black and a slide cut to accept MRD optics. Ergonomic texturing, interchangeable backstraps, and a MIL-STD-1913 Picatinny rail provide a stable shooting platform and accessory mounting options, while co-witness tritium night sights support low-light use.

Key Specifications

• The caliber is .45 ACP.
• The action is Semi-Auto.
• The barrel length is 4.71 inches, and the barrel is target crowned for consistent performance.
• The barrel description is Target Crown/Threaded Steel and is configured for suppressors or muzzle devices.
• The thread pattern is .578×28.
• The frame material is Polymer with an applied Flat Dark Earth PVD finish.
• The frame color is Flat Dark Earth.
• The weight is 31 ounces.
• The sights type is Night Sights with tritium lamps designed to co-witness with MRD optics.
• The optic footprint is Multiple, and the slide includes cuts and plates for mounting MRD optics.

State restrictions: This firearm is not available for sale or direct shipment to California. This firearm is not available for sale in Illinois (PICA).

Buy the FN America / FN Herstal FN 545 Tactical .45 ACP online today for a purpose-built, optics-ready tactical option designed for consistent handling and modular sighting.