Description
Most micro-compact 9mms are striker-fired, and that is exactly why the FN Reflex XL MRD stands out. FN built this one around an internal hammer with a single-action-only trigger that breaks right around 5 pounds, clean and predictable in a way you just do not get from most guns this size. That same hammer-fired design also means a noticeably lighter slide, so racking it takes far less effort. If you have ever struggled to charge a stiff micro pistol, this one will feel like a breath of fresh air.
What the XL Adds to the Reflex Lineup
The XL takes the original Reflex and stretches the grip and barrel just enough to change how it shoots without wrecking concealability. You get a 3.8 inch cold hammer-forged stainless steel barrel with a recessed target crown, a longer grip that gives most hands a full purchase, and ergonomic upgrades including interchangeable backstraps, a palm swell, an extended beavertail, and an undercut trigger guard. At 20 ounces and just over an inch wide, it still disappears under a shirt, but recoil is soft and follow-up shots come back on target fast. This model ships in Flat Dark Earth with two 10-round magazines for 10+1 capacity.
Optics-Ready Slide and Night Sights
The MRD slide accepts micro red dots that use the Shield RMSc or Holosun 507K footprint, so popular carry optics bolt right on without adapter plates. Until you add a dot, or if you never do, the iron sights are genuinely good: a high-visibility orange ring front sight with a tritium insert paired with a blacked-out U-notch rear. Front and rear slide serrations give you solid traction for press checks and reloads.
Carrying the Reflex XL MRD Every Day
This configuration has no manual thumb safety, relying instead on internal passive safeties, which keeps the draw simple under stress. The slimline accessory rail follows the Glock 43X MOS pattern, so compact lights like the Streamlight TLR-7 Sub and SureFire XSC fit right up. For anyone who wants a carry gun with a trigger worth bragging about, the Reflex XL MRD earns its spot in the holster.
Key Specifications
- Model: FN Reflex XL MRD
- Manufacturer Part Number: 66-101764
- UPC: 845737019082
- Caliber: 9mm Luger
- Capacity: 10+1
- Action: Single Action Only, Internal Hammer-Fired
- Barrel: 3.8" Cold Hammer-Forged Stainless Steel, Recessed Target Crown
- Overall Length: 6.75"
- Height: 5.2"
- Width: 1.08"
- Weight: 20 oz
- Trigger Pull: Approx. 5 lb
- Sights: Tritium Front with Orange Ring, U-Notch Rear
- Optic Footprint: Shield RMSc / Holosun 507K
- Safety: No Manual Safety (Internal Passive Safeties)
- Finish: Flat Dark Earth
What’s Included
- FN Reflex XL MRD 9mm pistol
- Two 10-round magazines
- Interchangeable backstraps
- Optic cover plate with mounting screw sets
- Owner's manual
Frequently Asked Questions
What red dots fit the FN Reflex XL MRD?
The slide is cut for micro red dots using the Shield RMSc or Holosun 507K footprint, so optics like the Holosun 507K and Shield RMSc mount directly without plates. It ships with a cover plate and mounting screws included. Dots with other footprints can work through aftermarket adapter plates, though that raises the optic height a bit.
How is the Reflex XL MRD different from the original FN Reflex?
The XL stretches the grip nearly a full inch and runs a longer 3.8 inch barrel, which improves control and gives most hands a full grip. It also adds ergonomic upgrades like interchangeable backstraps, a palm swell, an extended beavertail, and an undercut trigger guard. It stays slim at just over an inch wide, so it conceals nearly as well as the original.
Does the FN Reflex XL MRD have a manual safety?
No, this version has no manual thumb safety. It relies on internal passive safeties along with the trigger safety, which keeps the manual of arms simple for concealed carry. The internal hammer-fired system still delivers a crisp single-action pull around 5 pounds.
Can I mount a light on the Reflex XL MRD?
Yes. The slimline accessory rail follows the same pattern as the Glock 43X MOS rail, so compact weapon lights like the Streamlight TLR-7 Sub and SureFire XSC fit properly. Just make sure your holster is molded for your specific light and gun combo.





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