The FNX 45 Tactical remains a top choice for shooters who want a powerful, reliable, and customizable .45 ACP pistol. Designed by FN Herstal, this handgun combines military-grade durability with civilian-friendly features. Whether you’re looking for the best red dot for FNX-45 Tactical, a holster with light, or an extended mag, this complete guide covers everything.
What is the FNX 45 Tactical?
The FNX-45 Tactical is a semi-automatic handgun chambered in .45 ACP. It was developed by FN Herstal for U.S. Special Operations. The pistol was later released for civilian use. It’s known for high capacity, reliability, and suppressor-ready design.
FNX 45 Tactical Specifications
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Caliber: .45 ACP
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Capacity: 15+1 rounds
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Barrel Length: 5.3 inches
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Thread Pitch: 0.578×28 (for suppressor compatibility)
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Weight: 33.3 oz (unloaded)
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Length: 8.6 inches
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Height: 6.5 inches
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Width: 1.58 inches
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Action: Double/Single
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Material: Polymer frame, stainless steel slide
FNX 45 Tactical Features
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Suppressor-Ready Barrel
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Threaded Barrel with Thread Protector
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15-Round Magazines
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Raised Night Sights
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Optics Mounting System
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Ambidextrous Safety & Controls
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Polymer Frame with Aggressive Texturing
This pistol is purpose-built for tactical use and personal defense.
FNX 45 Tactical Price and Value
The FNX-45 Tactical price varies based on location, accessories, and finish. As of July 2025, the average market prices are:
| Model | Average Price |
|---|---|
| Black | $1,100 |
| FDE (Flat Dark Earth) | $1,200 |
| With Red Dot | $1,350 |
| With Suppressor | $1,600+ |
Prices are higher for factory kits with optics and suppressors.
Also Read: 450 Bushmaster: Power, Precision, and Performance
FNX 45 Tactical for Sale in 2025
You can find the FNX-45 Tactical for sale at:
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GunBroker
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Palmetto State Armory
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Sportsman’s Warehouse
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Bass Pro Shops
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FN America Dealers
Always verify legality in your state before buying.
FNX 45 Tactical Suppressor Compatibility
This pistol is built for suppressors. Thanks to its threaded barrel (0.578×28), you can easily attach most .45 ACP suppressors.
Popular suppressor brands include:
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SilencerCo Osprey 45
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Dead Air Ghost-M
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Rugged Obsidian 45
Raised night sights allow for proper aiming, even with the suppressor attached.
FNX 45 Tactical Thread Pitch Explained
The thread pitch is 0.578×28, a standard thread size for .45 ACP suppressors. This means it’s easy to attach:
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Suppressors
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Compensators
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Threaded Barrel Covers
Always double-check thread pitch when buying aftermarket muzzle devices.
FNX 45 Tactical with Silencer Setup
Setting up your FNX-45 Tactical with silencer is simple:
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Remove thread protector.
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Screw on the suppressor.
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Check alignment.
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Test fire safely.
Many users also add a booster (Nielsen device) for recoil-assisted cycling.
FNX 45 Tactical Holster Options
A good FNX-45 Tactical holster must fit the larger frame and accommodate the optic and suppressor.
Top brands offering custom fits:
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Safariland
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Alien Gear
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Tulster
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Blackhawk
Choose OWB or drop-leg holsters for tactical use.
FNX 45 Tactical Holster with Light Attachment
Many shooters use a weapon light like the Streamlight TLR-1 or Surefire X300.
You need a FNX-45 Tactical holster with light option. These are usually custom-molded. Search for:
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“FNX-45 Tactical + Light Kydex Holster”
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“FNX-45 Tactical with Light OWB Holster”
FNX 45 Tactical Accessories You Should Know
Popular FNX-45 Tactical accessories include:
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Red Dot Mount Plates
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Suppressors
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Compensators
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Extended Magazines
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Weapon Lights
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Custom Triggers
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Grips and Wraps
These upgrades improve both function and comfort.
Best Red Dot for FNX 45 Tactical
This pistol is optic-ready. Here are top choices:
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Trijicon RMR Type 2
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Holosun 507C X2
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Leupold DeltaPoint Pro
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Vortex Viper Red Dot
When choosing the best red dot for FNX-45 Tactical, look for:
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Durability
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Battery life
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Easy-to-see reticle
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Proper mounting plate
FNX 45 Tactical Compensator Guide
Adding a compensator helps control muzzle rise. Make sure it matches the thread pitch (0.578×28).
Popular choices:
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Faxon EXOS
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Agency Arms 417 Comp
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Primary Machine Stealth Comp
Make sure to test reliability after installation.
FNX 45 Tactical Extended Magazine
Factory mags hold 15 rounds, but you can upgrade to extended magazines.
Some aftermarket base plates offer +2 or +3 capacity.
Brands like Taylor Freelance and Taran Tactical offer great options.
FNX 45 Tactical Review: Pros and Cons
Pros:
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Reliable under stress
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High capacity for a .45
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Suppressor and optic ready
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Fully ambidextrous
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Solid factory night sights
Cons:
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Big and bulky for some users
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Limited concealed carry use
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Price is higher than some competitors
FNX 45 Tactical Black vs FDE (Flat Dark Earth)
Both are mechanically the same.
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FNX-45 Tactical Black: Sleek, tactical look.
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FNX-45 Tactical FDE: Blends well with desert or tan gear.
Choose based on personal taste and setup color scheme.
Who Should Buy the FNX 45 Tactical?
This pistol is ideal for:
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Home Defense
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Open Carry
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Tactical Training
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Suppressor Use
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Collectors of Military-Inspired Guns
It’s not the best choice for concealed carry due to its size.
Also Read: 350 Legend: The Ultimate Straight-Walled Hunting Cartridge
FAQs
Q1: What is the FNX 45 Tactical thread pitch?
A: It is 0.578×28, standard for .45 ACP suppressors and compensators.
Q2: Can I conceal carry the FNX 45 Tactical?
A: It’s possible, but difficult due to its size and weight. Better for open carry or duty use.
Q3: What holsters work with a light and red dot?
A: Look for custom Kydex holsters that support lights like TLR-1 or X300, plus optic cut.
Q4: Does the FNX 45 Tactical come with a suppressor?
A: No, but it is suppressor-ready with a threaded barrel.
Q5: Is the FNX 45 Tactical better than a Glock 21?
A: It depends. The FNX offers more features out of the box like optics and suppressor readiness.
Final Thoughts
The FNX 45 Tactical is a top-tier .45 ACP handgun. It’s feature-rich, reliable, and future-proof. Whether you’re running a suppressor, mounting a red dot, or adding a light, this gun delivers. It’s perfect for serious shooters who demand more than just basic firepower.
If you’re looking to buy a pistol that’s battle-tested and full of tactical features, the FNX 45-Tactical is a solid investment.
