Description
If you own an FN Reflex, you know the 15-round magazine is the one you reach for when you want a full firing grip. The extended floorplate and grip sleeve wrap the magazine in matching stippled texture, adding about an inch of extra height below the frame so your whole hand is on the gun. That makes a noticeable difference in control, especially during rapid fire or extended range sessions.
This is a genuine FN America factory magazine, part number 20-100708, built to the same tolerances as the original equipment your pistol shipped with. The body is steel with a black coating, and the polymer grip sleeve keeps everything looking clean and uniform. Feed reliability is exactly what you'd expect from a first-party magazine; there are no compatibility questions to stress over.
The 15-round version is compatible with the standard FN Reflex and the Reflex MRD optics-ready variant. Whether you're running it as your primary carry magazine, keeping it loaded as a backup on your belt, or grabbing an extra for range days, this mag fits and functions the way it's supposed to. Factory magazines are always the safest bet when reliability matters, and for a carry gun especially, that's not the place to cut corners.
Each package includes one magazine.
Key Specifications
- Manufacturer: FN America / FN Herstal
- Manufacturer Part Number (MPN): 20-100708
- UPC: 845737015817
- Fits Model: FN Reflex, FN Reflex MRD
- Caliber: 9mm Luger (9×19)
- Capacity: 15 Rounds
- Body Material: Steel
- Finish / Color: Black
- Base Plate Style: Extended Floorplate with Grip Sleeve
- Application: Centerfire Pistol
- Overall Length: 6.4 inches
- Weight: 0.25 lbs
- Quantity: 1 Magazine
What’s Included
- 1x FN Reflex 15-Round 9mm Magazine (Black Base Plate)
Frequently Asked Questions
Does the FN Reflex 15-round magazine fit both the standard Reflex and the Reflex MRD?
Yes, this magazine is compatible with both the standard FN Reflex and the optics-ready Reflex MRD models. Both pistols share the same magwell design, so one magazine works across the entire Reflex platform.
What is the difference between the 11-round and 15-round FN Reflex magazines?
The 11-round magazine sits closer to flush with the grip frame and is the more concealable option, while the 15-round version extends roughly an inch below the frame with a grip sleeve. That added length gives you a noticeably fuller hand grip and can improve control, particularly during fast shooting. Many people carry the 11-rounder in the gun and keep the 15-rounder as a reload.
Will the 15-round magazine affect how well the FN Reflex conceals?
The 15-round extended magazine does add about an inch of grip length below the frame, which can make it slightly harder to conceal compared to the flush-fit 11-round option. That said, plenty of people carry comfortably with it under an untucked shirt or a cover garment. It comes down to your carry setup and clothing preferences.
Is this an OEM factory magazine or an aftermarket product?
This is a genuine FN America factory magazine, not an aftermarket product. It is manufactured to the same specifications as the magazines that ship with the FN Reflex pistol, which means you can count on proper fit, feeding, and reliability straight out of the box.
Does the grip sleeve come attached to the 15-round magazine?
Yes, the black polymer grip sleeve is part of the magazine assembly and comes attached. It matches the stippled texture on the Reflex's frame and provides a continuous grip surface when the magazine is seated in the pistol.
How many of these magazines should I have for my FN Reflex?
Most people running a Reflex for carry or self-defense purposes aim for at least two or three magazines total. The pistol ships with one 11-round and one 15-round mag, so picking up an extra 15-rounder gives you a solid reload option and a spare in case one needs to go in for service. For range use, having three or four loaded at a time keeps things moving without constant reloading breaks.





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