The FN 545 Tactical is a striker-fired, semi-automatic pistol built around a polymer frame and a steel, threaded barrel. Chambered for .45 ACP, the design centers on controllability and modular optics compatibility for duty, range, and tactical use. It includes suppressor-height night sights and an optics-ready slide for rapid MRD installation without gunsmithing.
Key Specifications
- Caliber is .45 ACP.
- The barrel measures 4.71 inches and is threaded for accessories.
- The action is striker-fired, semi-automatic.
- The pistol has a listed weight of 31 ounces.
- The frame is a polymer frame with an integrated Picatinny rail.
- The barrel material and finish are listed as steel with a black finish.
- The slide is MRD optics-ready (multiple footprints).
- Sight system is suppressor-height tritium night sights that co-witness with most MRDs.
- The factory thread pattern is .578×28.
- The package includes two magazines and MRD mounting plates.
Compact for its caliber class yet designed for professional use, the FN 545 Tactical pairs a durable polymer chassis with a target-crowned, cold hammer-forged steel barrel and an optics-ready slide. The combination of suppressor-height night sights, threaded barrel, and an MRD-compatible footprint provides a flexible platform for range work, duty carry, or precision drills while maintaining the ergonomics and controls expected from FN.
Product information is supplied by the manufacturer and/or distributor and may be automatically formatted or enhanced using AI for clarity and consistency. While we strive for accuracy, specifications, features, and included items may change without notice. Always verify details using the manufacturer’s official documentation and the information shown on this product page before purchase or use.
