Fn 509 9MM Semi Auto: Proven Reliability with 4″ Barrel & Soft Case

When selecting a defensive semi-automatic pistol, reliability, ergonomics, and a complete accessory package matter as much as accuracy. Professionals and responsible owners want a platform that performs under stress, ships ready to run, and offers clear value at a competitive price.

FN 509 [BLK]

FN 509 [BLK] 9mm semi-auto side profile with 4-inch barrel

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HWK XL 5.56 Giveaway

Live now • Ends Feb 1, 2026
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Deadline: Feb 1, 2026
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A third-party retailer is currently hosting a giveaway for an HWK XL 5.56 pistol package (≈ $1,800 retail value).

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This FN 509 [BLK] arrives as a ready-to-use Semi Auto package: 9MM LUGER FNH FN 509 845737008079 66-100002 with a 4″ barrel, two magazines, box, soft case, and paperwork as shown — all for $495.99. Shop this product here: Shop this product.

Performance and handling

The FN 509 [BLK] is chambered in 9MM Luger, a proven defensive cartridge combining controllable recoil, wide ammunition availability, and effective terminal performance for duty and home defense. The 4″ barrel provides a balanced compromise: better ballistic performance and sight radius than compact barrels while still remaining concealment-friendly for those who carry. FN’s platform design prioritizes ergonomics and a consistent trigger feel, making follow-up shots quicker and more accurate in high-stress scenarios.

Included features and field-ready extras

The package includes two magazines, giving you immediate reload options for training or defensive use. The soft case and original box protect the pistol in transport and storage, while the included paperwork simplifies transfer and ownership documentation. The product identifiers (845737008079 and 66-100002) and the listed model designation indicate genuine FNH factory inventory, and the Brand Fn heritage underlines build quality and parts commonality.

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Who this model suits

Home defense and range work

For owners wanting a reliable, duty-grade pistol without heavy customization, the FN 509 [BLK] delivers out of the box. The included soft case and magazines make it ideal for someone who wants a complete kit to begin training immediately.

FN 509 [BLK] boxed with soft case and two magazines

Check current availability and purchase options on the shop page: Check availability. The FN 509 [BLK] at $495.99 represents a practical entry to a proven defensive platform with the accessories you need to get started.

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People Also Ask

What makes this product stand out from competitors?

This product offers superior quality and innovative features that set it apart in the market. Its design focuses on both performance and reliability, making it a top choice for professionals and enthusiasts alike.

Is this product suitable for beginners?

Yes, this product is designed with user-friendly features that make it accessible to beginners while still offering advanced capabilities for experienced users.

What warranty or support is available?

The product comes with comprehensive warranty coverage and excellent customer support to ensure your satisfaction and peace of mind.

How does this compare to similar products in its price range?

This product offers exceptional value for its price point, providing features and quality that typically cost significantly more in comparable alternatives.

What maintenance is required?

Minimal maintenance is required thanks to the product’s durable construction and quality materials. Regular cleaning and occasional inspections will keep it performing optimally.

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