FNX Accessories

Q: Which accessories are essential for the FNX-45 Tactical?

The most common must-have accessories for the FNX-45 Tactical include extended magazines, a red dot mount for optics, and a holster that fits your chosen setup.

Q: Can I mount a red dot on the FNX without milling the slide?

Yes. With the right optics plate, you can mount red dots such as the Trijicon RMR or Holosun models directly onto the FNX-45 Tactical without milling.

Q: What lights are compatible with the FNX-45?

Most Streamlight and SureFire weapon lights are compatible with the FNX-45 Tactical accessory rail without modification.

Q: Are there holsters that fit with lights or optics installed?

Yes. Many holster options are designed to accommodate FNX-45 pistols equipped with both optics and lights.

Q: Do FNX-45 magazines work across all FNX models?

FNX magazines are model-specific. Ensure you select magazines made for your pistol, whether FNX-45 or FNX-9, to guarantee compatibility.

FNX Red Dot

FNX Recoil Spring

FNX Sights

**Truglo Tritium Pro Fn Fnx40 Set** $84.50

**Truglo Tritium Pro Fn Fnx9 Set** $64.12

**Truglo Brite-site Tfx Fn Fnx9** $65.33

**Gun Fighter Kenai Rh Fnx 45 Tac Gray/coy** $148.99

**Holosun 509 Adapter Plate for FNX-45** $39.99

**C&H Precision Optic Plate for FNX to Trijicon RMR, SRO, Holosun 407C/507C** $51.49

**C&H Precision Optic Plate for FNX-45 to Holosun 509T Steel** $67.49

**EGW Vortex Razor FN FNS, FNX Sight Mount (Fits C-More STS, STS2, RTS2)** $47.49

**EGW Dovetail Mount for the Trijicon RMR / SRO, Holosun 407c / 507c for FN FNS, FNX** $47.49

**EGW Dovetail Sight Mount For DeltaPoint Pro with FN FNS, FNX** $47.49

**EGW Dovetail Mount for the Docter, Burris Fastfire, Vortex Venom & Viper for FN FNX, FNS** $47.49

**DPM Recoil Reduction System for FN Herstal FNX-45 ACP 4.5″ / Tactical 5.3″ Barrel** $129.98

**DPM Recoil Reduction System for FN Herstal FNP / FNS / FNX 4" Barrel – 9mm / .40 S&W** $129.98

**DPM Recoil Reduction System for FN Herstal FNP 4.5″ & Tactical 5.3″ Barrel – .45 ACP** $129.98

The FNX-45 Tactical is a pistol built for versatility, and the right accessories make it even more capable. Whether you want more firepower, faster target acquisition, or better low-light performance, having the right setup matters. From extended magazines and red dot plates to night sights, holsters, and weapon lights, our FNX accessories are designed to enhance your pistol without compromise. Every option is selected for durability, performance, and a direct fit—so you spend more time shooting and less time tinkering.

Popular FNX Accessories

FNX Magazines: Factory-grade replacements and extended capacity options for range or duty use.
Optics Plates and Red Dot Mounts: CNC aluminum and steel mounts that let you add Trijicon RMR, Holosun, and other red dots without milling your slide.
Night Sights: Tritium and fiber optic options to improve sight visibility in low-light environments.
Holsters: Tactical and everyday carry holsters designed for FNX-45 Tactical, including light-bearing models.
Weapon Lights & Lasers: Streamlight and SureFire compatible mounts to give you better control in dark conditions.
Barrels & Suppressor Accessories: Suppressor-ready barrels and thread protectors built for FNX platforms.

Why Upgrade Your FNX

The FNX-45 is already one of the most complete handguns on the market, but adding the right accessories takes it further. Extended magazines let you shoot longer between reloads. Optics plates give you red dot capability for faster target transitions. Night sights and weapon lights give you confidence in low light. Holsters provide secure carry options that adapt to your setup. These accessories aren’t about flash—they’re about making your pistol more effective, reliable, and suited to your needs.

FAQ

Which accessories are essential for the FNX-45 Tactical?
Extended magazines, a red dot mount, and a holster that fits your setup are the most common must-haves.

Can I mount a red dot on the FNX without milling the slide?
Yes. With the right optics plate, you can mount red dots like the Trijicon RMR or Holosun models directly onto the FNX-45 Tactical.

What lights are compatible with the FNX-45?
Most Streamlight and SureFire weapon lights fit the FNX-45’s accessory rail without modification.

Are there holsters that fit with lights or optics installed?
Yes. Many holster options are designed specifically to accommodate pistols equipped with optics and lights.

Do FNX-45 magazines work across all FNX models?
They are model-specific, so make sure to choose magazines built for the FNX-45 or FNX-9 depending on your pistol.