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The FN 502 is already one of the more well-thought-out rimfire pistols on the market, and the magazines are no different. This is a 100% factory OEM unit made by FN America to the same specifications and tolerances as what ships with the gun. You're not getting an aftermarket mag that may or may not drop free cleanly or feed the way you expect. This is the real deal.
The body is built from lightweight polymer with a black finish and a black polymer baseplate, keeping the overall weight down without sacrificing durability. Where it really counts, FN went with metal: blued steel feed lips hold consistent geometry round after round, and a steel wire spring paired with an anti-tilt polymer follower keeps rounds feeding smoothly from the first to the last. That combination is what keeps rimfire feeding issues at bay.
One of the more practical features is the side-loading button, which compresses the spring so you're not fighting it round by round. The loading channel also doubles as a witness window, giving you a quick visual round count at a glance without having to dig the magazine out and count manually. The 10-round version sits flush in the magwell, which makes it the cleaner carry option and the go-to choice for range work where a compact profile matters.
This magazine is a natural pick for FN 502 owners who want to run multiple magazines without downtime at the range. It is also the right call for anyone who wants a reliable backup that feeds identically to the one that came in the box. One magazine included.
Yes, this 10-round magazine is compatible with the full FN 502 lineup, including the MRD and Tactical variants. It is a factory OEM part built to FN's specs, so fit and function are consistent across the platform. When seated, it sits flush with the bottom of the grip frame.
It does. The 10-round version is specifically designed to fit flush in the FN 502's magwell, giving the pistol a clean profile. If you want more capacity and don't mind a slight extension below the grip, FN also makes a 15-round version of this magazine.
This is a 100% genuine FN America factory magazine, part number 20-100502. It is made to FN's own specifications and tolerances, the same as what ships with the pistol. If you want something that feeds exactly like the original, this is the right choice.
Rimfire cartridges like .22 LR have a more delicate case rim that requires precise feed geometry to strip and chamber reliably. The blued steel feed lips and anti-tilt follower in this magazine are specifically designed to handle that. Using a factory magazine helps avoid the inconsistent feeding that can come with off-brand alternatives on a rimfire platform.
It is genuinely useful. On any magazine, getting the last few rounds in against a compressed spring is the hardest part of loading. The side-loading button depresses the follower so you can seat rounds without fighting the spring tension. It works noticeably better on the 10-round version than on the extended 15-rounder, where the geometry makes it a little more awkward.
The FN 502 Tactical ships with one 10-round and one 15-round magazine. The FN 502 MRD typically ships with two 10-round magazines. This listing is for a single replacement or spare 10-round magazine, sold individually.
| UPC | 845737013448 |
|---|---|
| Manufacturer | |
| Manufacturer Part Number | 20-100502 |
| Caliber/Gauge | .22 LR |
| Capacity | 10 |
| Color | Black |
| Length | 4.6 |
| Model | |
| Package Height | 1.1 |
| Package Width | 1.4 |
| Product Type | Magazine |
| Quantity | 1 |
| Shipping Weight | 0.2 |
| Style | Detachable |
| Units per Box | 1 |
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