When precision, reliability, and rugged construction matter, the FN America FNX-40/FNS-40 40S&W 10‑Round Magazine delivers unmatched performance for both law‑enforcement professionals and serious sport shooters. Engineered specifically for FNX‑40 and FNS‑40 pistols, this black‑finished, stainless‑steel magazine offers a smooth feed cycle, corrosion resistance, and a sleek profile that integrates seamlessly with your firearm.
Key Features & Benefits
- Exact Fit for FNX‑40 & FNS‑40: Precision‑machined to match the internal dimensions of FN’s 40S&W pistols, guaranteeing flawless insertion and extraction.
- 10‑Round Capacity: Provides ample firepower while staying within standard capacity limits for personal defense and competition use.
- Premium Stainless‑Steel Construction: Heat‑treated for strength, offering superior durability and resistance to wear, rust, and impact.
- Matte Black Finish: Reduces glare and blends with tactical accessories, while the anodized coating protects against scratches and environmental exposure.
- Enhanced Feed Angle: Optimized geometry promotes reliable cartridge alignment, reducing the chance of stovepipes and misfeeds.
- Easy Reloading: Magazine base plate features a smooth, low‑profile release button for rapid reloads under pressure.
- OEM Quality Assurance: Produced by FN America, adhering to strict military‑grade standards for performance and safety.
Technical Specifications
| Model | FNX-40/FNS-40 |
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| Caliber | 40S&W |
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| Capacity | 10 rounds |
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| Material | Stainless steel with black anodized coating |
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| Length (Loaded) | ≈ 5.8 in (147 mm) |
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| Weight (Empty) | ≈ 7.8 oz (221 g) |
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| UPC | 845737002527 |
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| Manufacturer | FN America |
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| Compatibility | FNX‑40, FNS‑40, and other 40S&W platforms with identical magazine dimensions |
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Why Choose the FN America FNX‑40/FNS‑40 Magazine?
Whether you’re training for competition, preparing for personal defense, or outfitting a tactical unit, the FN America 10‑round magazine offers the confidence that comes from using a component built to exacting standards. Its robust construction stands up to harsh environments, while the matte black finish maintains a professional appearance without compromising function.
Installation & Maintenance
Installation is straightforward—simply insert the magazine into the grip until you feel a secure click. For optimal performance, clean the magazine regularly with a mild solvent and dry thoroughly before re‑lubricating the feed ramp with a light coat of synthetic grease. The anodized coating protects against corrosion, but routine maintenance will extend the service life even further.
Customer Reviews & Ratings
Firearm enthusiasts and professionals consistently rate this magazine highly for its consistent feeding, durability, and precision fit. Many users note a noticeable reduction in feeding issues compared to generic aftermarket magazines.
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