FN 545 MRD .45 ACP 4.1in Optics-Ready Pistol FDE

The FN 545 MRD is a full-size, optics-ready handgun chambered in .45 ACP with a 4.1 inch hammer-forged barrel. It pairs an optics-cut, serrated slide with a Flat Dark Earth polymer frame and interchangeable backstraps for adaptable ergonomics. The pistol uses a high-endurance striker and a precision-tuned trigger that breaks at approximately 6 pounds.

Key Specifications

• The caliber is .45 ACP.
• The barrel measures 4.1 inches and is hammer-forged with a target crown.
• The operation is Semi-Auto, striker-fired.
• The frame is constructed from polymer in a Flat Dark Earth finish.
• The weight is approximately 30 ounces.
• The overall length is 7.7 inches.
• Includes two magazines, interchangeable backstraps, four MRD mounting plates and a premium zippered case.
• The slide is optic-cut with serrations and ships with driftable steel sights that co-witness with most MRD optics.
• A MIL-STD-1913 Picatinny rail is integrated into the frame for accessories.
• The trigger is precision-tuned (approx. 6 lb) for a clean break.

Built for service-oriented use and range work, the FN 545 MRD combines a durable, optics-ready slide with balanced weight and modular ergonomics to support consistent handling and straightforward sight mounting. The included accessory package and adaptable grip options deliver a ready-to-fit platform for shooters seeking a dependable, optics-compatible full-size handgun.