Description
The FN FNS-9 Compact may be discontinued, but keeping it running right means sticking with genuine factory magazines, and this is exactly that. Made by FN America to the same manufacturing specs and tolerances as the original equipment magazines, this 10-round mag feeds reliably and fits without any fussing around.
The body is stainless steel with a darkened finish, which keeps corrosion at bay and holds up well over time. Inside, a low-friction polymer follower works with the steel wire spring to keep rounds feeding smoothly and consistently, from the first round to the last. Rear-facing witness holes let you do a quick round count without having to drop the mag, which is a small thing that turns out to be pretty convenient at the range.
The flat dark earth polymer base pad gives this mag a bit of personality beyond the standard all-black version. It sits flush with the grip, making it a clean choice for concealed carry where you want the gun to print as little as possible. If you have an FDE-finished FNS-9C, the color match is a nice bonus.
This is MPN 20100063, and it is the correct 10-round flat base version for the FNS Compact platform. FNS-9C owners looking for a spare or replacement magazine for the range, for carry backup, or just to rotate through and reduce wear on their primary mag will find this covers all those bases without any surprises.
Key Specifications
- Manufacturer: FN America / FN Herstal
- MPN: 20100063
- UPC: 845737008444
- Caliber: 9mm Luger
- Capacity: 10 Rounds
- Body Material: Stainless Steel
- Body Finish: Black (Darkened)
- Base Pad Material: Polymer
- Base Pad Color: Flat Dark Earth (FDE)
- Follower: Low-Friction Polymer
- Base Type: Flat Base
- Compatible Pistol: FN FNS-9 Compact (FNS-9C)
- Shipping Weight: 0.2 lbs
What’s Included
- 1x FN FNS-9C 10-Round 9mm Magazine (FDE Base Pad)
Frequently Asked Questions
Is this a genuine FN factory magazine or an aftermarket replacement?
This is a genuine OEM magazine made by FN America to the same specifications and tolerances as the magazines originally shipped with the FNS-9C. It is not an aftermarket product. For reliability and proper fit, sticking with factory magazines is always the way to go with FN pistols.
Will this 10-round FNS-9C magazine work in the full-size FNS-9?
This magazine is specifically designed for the FNS-9 Compact platform. While the FNS-9C and the full-size FNS-9 share some design DNA, the compact magazine is sized for the shorter grip of the Compact model. Full-size FNS-9 magazines, on the other hand, can be used in the FNS-9C with the addition of a grip sleeve.
What is the difference between this FDE version and the standard black FNS-9C magazine?
The core specs are identical: same stainless steel body, same spring, same low-friction follower, and same 10-round capacity. The difference is purely cosmetic. This version has a flat dark earth polymer base pad instead of black, which coordinates well with FDE-finished FNS-9C pistols and adds a bit of visual distinction.
Does this magazine have witness holes so I can check my round count?
Yes, the FNS-9C magazine features rear-facing witness holes on the body so you can get a quick visual on how many rounds are loaded without dropping the mag. It is a handy feature, especially at the range when you are running drills and keeping track of your round count.
Is the flat base pad on this magazine good for concealed carry?
The flat base pad design sits flush with the bottom of the grip on the FNS-9C, which is exactly what you want for concealed carry. It keeps the overall profile of the pistol clean and minimizes any potential for printing. It is one of the reasons many FNS-9C carriers prefer the flat base version over a pinky extension for everyday carry.





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