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FN 509 Tactical Double 9mm 4.5" Barrel Black Grip/Frame/Slide 17rd
Our editorial team reviews specifications, product data, and field-use information to keep pages accurate.
$929.00
List Price: $929.99
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SKU: 66100375-845737010119
Overview
Built for tactical use, this 9mm pistol brings together a polymer frame, stainless steel barrel, and DAO action in a package suited to concealed carry or home defense. The 4.5" barrel and 17+1 capacity give it a practical balance for users who want a sidearm ready for duty, range work, or defensive carry. Black grips and frame help provide a secure hold, while the night sight setup is intended to support low-light shooting. Its threaded barrel and tactical-oriented configuration make it a straightforward choice for shooters looking for a purpose-driven handgun without unnecessary extras.
Why Hunters Choose the Fnh
17+1 Capacity
Supports extended use before reloading
Dao Action
Smooth trigger pull
Night Sights
Help with low-light aiming
Polymer Frame
Black grip offer a secure
4.5-inch Threaded
Barrel adds tactical versatility
Key Features
- FN 509 Tactical Double chambered in 9mm Luger for a common defensive and range cartridge.
- 4.5-inch threaded barrel supports tactical use and accessory compatibility.
- DAO action provides a smooth trigger pull.
- 17+1 capacity offers extended shooting before reloading.
- Polymer frame with black grip and frame for a secure hold.
- Night sights help with aiming in low-light conditions.
Best Used For
- Hunters wanting a 9mm sidearm for concealed carry or everyday defensive use
- Users who prefer a 17+1 capacity pistol with a 4.5-inch barrel
- Low-light shooters who value the included night sight configuration
- Those seeking a tactical-style handgun with a polymer frame and black finish
- Buyers looking for a threaded-barrel pistol for compatible range setups
Specifications
| Action | DAO |
|---|---|
| Barrel Length | 4.50" |
| Barrel Material | Stainless steel |
| Barrel Type | Threaded |
| Caliber | 9mm Luger |
| Capacity | 17+1 |
| Frame | Black |
| Frame Finish | Black |
| Frame Material | Polymer |
| Grip | Black |
| Grips | Black |
| Sight Configuration | Night sights |
| Slide | Black |
| Slide Description | Black Steel |
| Weight | 27.9 oz |
Pros
- 17+1 capacity supports extended use before reloading
- DAO action provides a smooth trigger pull
- Night sights help with low-light aiming
- Polymer frame and black grip offer a secure hold
- 4.5-inch threaded barrel adds tactical versatility
Considerations & Trade-offs
- The 17+1 capacity is useful for defensive use, but it also means the pistol is larger than lower-capacity carry options.
- At 27.90 oz, it is not a lightweight sidearm, so concealed carry comfort will depend on your setup and carry method.
- The 4.5" threaded barrel adds versatility, but it may be more than some users want on a compact carry pistol.
- DAO action and night sights suit a defensive role, though they may not match the preferences of shooters who favor a different trigger style or sight setup.
Suggested Comparisons
- Compact semi-automatic pistols
- Home defense handguns
- Tactical pistols
- Threaded-barrel pistols
Suggested Accessories
- Pistol magazine pouch
- Gun cleaning kit
- Pistol case
- Hearing protection
Frequently Asked Questions
What caliber does the FN 509 Tactical use?
It is chambered in 9mm Luger.
What is the magazine capacity?
The listed capacity is 17+1.
Does this model have a threaded barrel?
Yes. The long description lists the barrel type as threaded.
What sight setup is included?
The short description says it has a night sight configuration for low-light use.
What are the listed frame and slide finishes/materials?
The product data lists a polymer frame with a black frame finish and a black steel slide.