FN 66-101941 Reflex MRD LE 9mm Optics-Ready Pistol

FN 66-101941 Reflex MRD LE 9mm Optics-Ready Pistol

The FN Reflex MRD LE is the law-enforcement configuration of FN's micro-compact 9mm platform, combining an internal hammer-fired action with a factory optics-ready slide and 3-dot green tritium night sights. Those features separate the LE model from a basic concealed-carry pistol by giving it a complete low-light sighting package and direct support for compatible micro red-dot optics.

The internal hammer system is central to the Reflex design. Rather than using a conventional striker-fired mechanism, FN built the pistol around an enclosed hammer that preserves the slim external profile of a micro-compact while providing a different trigger and firing-system architecture.

For the LE configuration, FN retains that core mechanism and adds duty-relevant sighting features without changing the compact proportions that define the Reflex platform.

Internal Hammer-Fired Action

The Reflex uses an internal hammer contained within the slide and frame rather than an exposed hammer or striker-fired mechanism. The design keeps the pistol's exterior compact while maintaining a hammer-fired operating system.

FN also incorporates multiple internal safety systems into the Reflex platform. These are built into the firing mechanism rather than added as large external controls.

MRD Optics-Ready Slide

The MRD designation identifies the factory-machined optics interface in the slide. Compatible micro red-dot sights can be mounted directly to the pistol using the appropriate FN mounting hardware.

A removable cover plate protects the mounting area when no optic is installed, allowing the pistol to remain fully functional with its factory iron sights.

LE Tritium Night Sights

The LE configuration is equipped with 3-dot green tritium night sights. This is one of the most important differences to call out when identifying the Reflex MRD LE because the tritium sight package is specifically listed as part of the law-enforcement model.

The sights provide a self-illuminating reference in reduced-light conditions while remaining usable as conventional iron sights in normal lighting.

Micro-Compact 9mm Configuration

The Reflex MRD LE is chambered in 9mm and retains the slim micro-compact dimensions of the standard Reflex platform. FN specifies a slide width of approximately one inch, keeping the pistol narrow relative to full-size duty handguns.

The compact dimensions are paired with molded grip texturing intended to provide contact across multiple surfaces of the grip rather than relying on a single aggressive texture panel.

Hammer-Forged Barrel

FN equips the Reflex platform with a hammer-forged barrel. This is part of the factory mechanical specification and is carried over to the MRD LE configuration.

The barrel and internal hammer system form the core operating package beneath the optics-ready and law-enforcement sighting features.

Key Features

• 9mm micro-compact semi-automatic pistol
• FN Reflex MRD LE configuration
• Internal hammer-fired action
• Factory optics-ready slide
• Direct mounting interface for compatible micro red-dot sights
• Removable optics cover plate
• 3-dot green tritium night sights
• Hammer-forged barrel
• Multiple internal safety systems
• Multi-surface grip texturing
• Slim approximately 1-inch slide profile

Specifications

• Manufacturer: FN
• Model: Reflex MRD LE
• MPN: 66-101941
• UPC: 845737018177
• Caliber: 9mm
• Action: Internal Hammer-Fired Semi-Automatic
• Optics Ready: Yes
• Sights: 3-Dot Green Tritium Night Sights
• Barrel: Hammer Forged

The Reflex MRD LE Configuration

The law-enforcement model is defined by a straightforward combination of mechanical and sighting features: FN's internal hammer-fired Reflex action, factory MRD optics cut, and 3-dot green tritium night sights.

Those details matter more than generic concealed-carry language. The LE designation identifies a specific Reflex configuration with a complete low-light and optics-ready sighting setup while retaining the compact internal-hammer architecture that distinguishes the platform from many striker-fired micro-compacts.

WARNING This product may contain chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. For more information, visit www.P65Warnings.ca.gov. You must be 18 or older to shop or purchase on our website, and 21 or older to purchase ammunition or firearms. Check local laws before ordering. By ordering, you certify that you meet all federal, state, and local legal requirements. There are no returns or exchanges on armor, firearms, ammunition, or PPE. Ammunition ships UPS Ground to the lower 48 states.
We reserve the right to correct critical errors.