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This 50-round magazine was designed for the FN PS90 and P90 platforms in 5.7x28mm, and the clear polycarbonate body lets you check your round count without ejecting it from the rifle. That's genuinely useful when you're in a rhythm at the range and don't want to break your focus.
The magazine body is made from clear polycarbonate, while the follower, base plate, and feeding mechanism are molded from glass-reinforced black polymer. This combination is meant to handle repeated use and field conditions. The heat-treated chrome-silicon wire spring is designed for consistent feeding and long-term reliability. The magazine comes with ProMag's limited lifetime warranty, which covers defects at no cost to you.
These run cheaper than factory FN magazines, and a lot of folks appreciate that upfront. Some users report years of trouble-free service with these magazines at the range and even in more serious use. However, you'll also find mixed reviews online—some owners experience feed lip issues or follower problems early on, while others have no problems. The smart move is to test one thoroughly before buying multiples. ProMag's customer service will handle warranty claims if issues pop up, though that process adds time.
For casual range plinking and training where you're burning through rounds, this magazine gets the job done and costs less than factory. The 50-round capacity stacks a lot of ammo into one mag, which matters less when you've got only a few mags to rotate. If reliability is mission-critical for you, the factory FN magazine is the safer bet. For everyone else—especially folks who want backup mags or don't mind function-testing gear before relying on it—this delivers solid value.
Yes, the FNHA3 is designed specifically for both PS90 and P90 platforms in 5.7x28mm. It's a drop-in fit with no modification needed. The magazine sits horizontally on top of the receiver, just like factory FN magazines.
ProMag rates it at 50 rounds. Some users report loading only 49 on the first fill due to spring tension—this can relax slightly with use. Functionally, you'll get very close to full capacity in normal shooting scenarios.
ProMag covers defects under a limited lifetime warranty at no charge. If the magazine fails, you can contact them directly for a replacement or repair. Warranty claims typically process within a week or two, though specific terms apply.
For casual range plinking and training, most users report solid reliability. Performance is more inconsistent for users who need bulletproof feeding in every shot. If you need guaranteed reliability, factory FN magazines are the better choice. Function-test one first before buying extras if dependability matters to you.
| UPC | 708279011139 |
|---|---|
| Manufacturer | |
| Manufacturer Part Number | FNH-A3 |
| Caliber/Gauge | 5.7 x 28 mm |
| Capacity | 50 |
| Length | 7 |
| Package Height | 1.6 |
| Package Width | 5.4 |
| Product Type | Accessory-Magazines |
| Shipping Weight | 0.35000000000000003 |
| State Restriction (CA) | NO DIRECT SHIP TO CALIFORNIA |
| State Restriction (IL) | NO SALE TO ILLINOIS PICA |
| State Restriction (OR) | NO SALE TO OREGON |
| State Restriction (RI) | NO DIRECT SHIP TO RHODE ISLAND |
| State Restriction (WA) | NO DIRECT SHIP TO WASHINGTON |
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