Description
This is the right magazine for your FNS-9C or other FNS Compact pistol. Built to FN's factory standards, it holds 12 rounds of 9mm and features a polished, darkened steel body with a low-friction follower that feeds reliably every time. The Flat Dark Earth finish matches your gun while resisting corrosion, and the magazine body measures 6.05 inches tall.
What sets this magazine apart is the flat base pad design, which gives you a slim profile perfect for concealed carry without sacrificing your grip. The tapered body still lets you get all four fingers on the gun when needed, and you get round-count inspection holes so you know exactly how many rounds you're carrying. This is FN's own factory magazine, not a third-party copy, so feeding and drop-free performance are built in.
Whether you're running your Compact at the range, in training, or for everyday carry, having spare mags keeps you prepared. The low-friction follower design means smooth, reliable feeding across different ammunition types. If you own an FNS-9C, this is the magazine specification you should be buying to ensure peak performance and compatibility.
Key Specifications
- Caliber: 9mm Luger (9×19)
- Capacity: 12 rounds
- Material: Steel body with polymer base pad
- Finish: Flat Dark Earth (FDE)
- Follower: Low-friction polymer
- Base Pad: Flat, tapered design for concealment
- Overall Length: 6.05 inches
- Fit: FN FNS-9 Compact, FNS Compact series
- Type: Detachable box magazine
- UPC: 845737008413
- Manufacturer Part Number: 20-100062
- Manufacturer: FN America / FN Herstal
Frequently Asked Questions
Will this FNS-9C magazine work in a full-size FNS-9?
Yes, all FNS-9 magazines work in the FNS-9C and vice versa. The magazines are fully compatible across the compact and full-size models. The main difference is how they feel in your hand depending on which pistol you're using.
What's the difference between the flat base pad and extended base pad magazines?
The flat base pad on this magazine sits flush with your hand for maximum concealability under a cover garment. The extended base pad version gives you a shelf for your pinky finger and adds a bit of grip extension. Many shooters carry the flat pad version and keep an extended base mag as a spare or backup.
Can I use FNS-9C magazines in an FN 509?
FN 509 magazines work without issue in the FNS-9C. However, FNS-9C magazines will not fully seat in an FN 509 without swapping the base plate. If you own both platforms, verify compatibility before relying on magazine interchangeability.
How do the round-count inspection holes work?
The inspection holes are small openings on the back of the magazine body that let you quickly see how many rounds you have loaded. They're a simple but effective way to verify capacity at a glance without emptying the magazine.
Is this magazine new or OEM?
This is a genuine factory magazine from FN America, not a aftermarket alternative. It's built to the same standards as the magazines shipped with new FNS-9C pistols, ensuring the same feeding reliability and durability.
Will this magazine work with standard FMJ and hollow point ammunition?
Yes, the low-friction follower is designed to feed reliably with both FMJ and hollow point rounds. The polished steel body and follower work together to minimize binding and ensure smooth feeding across different ammunition types.





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