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Cybergun FN Herstal Licensed FNX-45 Tactical Airsoft Gas Blowback Pistol by VFC (Color: Black / Gun Only)

ID: 55415 (GP-SA-FNX45-200508)
CB3A-FNX-BK01 / 200508-US
Cybergun / Spartan Mil/LE806481205084CB3A-FNX-BK01 / 200508-US55415
4.4 stars, based on 26 reviews
Cybergun FN Herstal Licensed FNX-45 Tactical Airsoft Gas Blowback Pistol by VFC (Color: Black / Gun Only)
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Cybergun / Spartan Mil/LEFN HerstalVFC


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  • High quality nylon reinforced polymer frame w/ aluminum alloy serrated slide & threaded aluminum outer barrel
  • Fully licensed FN-Herstal trademarks & engravings
  • Ambidextrous controls
  • High profile suppressor sights; on-frame safety and functional decocker
  • Picatinny accessory rail
  • Semi-automatic GBB pistol w/ realistic blowback action; double/single action trigger
Improving on the FNP-45 Tactical, developed for the U.S. Joint Combat Pistol Program, the FNX-45 Tactical is the latest in technological advancements in handgun engineering, offering .45 ACP performance and a host of unique features that no other handgun can match. The checkered polymer frame is offered in Black and Flat Dark Earth and has a low-bore axis for reduced felt recoil and enhanced operator control. Interchangeable backstraps are available to quickly customize the grip feel. All operating controls are fully ambidextrous for ease of use. The 5.3" barrel has a threaded muzzle to accept sound suppressors, compensators and other accessories. The slide has high-profile combat sights specifically designed to be used with a suppressor.

Manufacturer: FN Herstal / Cybergun (VFC)

FPS Range: 300-320

Color: Black


Dimensions: 225mm x 150mm
Weight: 820g (1.8lbs)
Muzzle Velocity: 300~320 FPS (Measured w/ 0.20g BBs and Green Gas)
Thread Direction: 16mm Positive
Magazine: 25+1 rds
Gas Type: Green Gas, Red Gas, Propane
Firing Mode: Semi Automatic, Safety
System: Gas Blowback
Hopup: Yes, Adjustable
Package Includes: Gun, Magazine, and Manual

*GBB 101: It is a good idea to let your magazine return to regular temperature before using it again for optimized performance. We recommend spare magazines for best performance on all GBB's.

Download the user manual here.

About Cybergun / Spartan Mil/LE

Cybergun is the world leader in designing and distributing replica dummy weapons for video game aficionados, sport or outdoor shooting, and collectors.

26 Customer Reviews

(Write a review)

by Misty M. on 12/27/2020
"This gun is fantastic. Everything about it is amazing for the most part. My only problems were the hopup spring broke very easily and the extra magazine. If you want extra magazines buy them separately cause the extras that come with the gun leak a lot, freeze extremely fast, and dont even have the same fill valve as the stock. The stock mag is great though and if you buy seperetaley u get the same kind as the stock mag.

Now for the best part. The gun out of the box isnt sluggish but the cycle isnt the greatest and can seem a bit slow at first. HOWEVER, in the back of the nozzle is a screw that doesnt do anything and weighs more than the nozzle itself. It is there to add more weight to the gun and nothing else but if you remove it the cycle is crazy fast. It becomes a competition gun without having to buy anything. Add a 120+ buffer spring, an upgarded nozzle from wgc shop, and buy another nozzle return spring, cut it in half and add it on top of the stock spring and this gun is hetter than any hicapa or any gun you can find. Its crazy. Just remember to buy magazines separately
by Tyler P. on 05/25/2020
"Man I love this gun. I have it in both black and FDE and swapped the slides. I have 6 mags and have never had an issue with them, but I understand that they are leaky and prone to breaking if dropped for lots of people.

I have upgraded 1 of them as much as I possibly can with the available options. It kicks harder than any airsoft gun I've handled yet and that's what I was going for. Hoping to find a custom slide for it someday.

It shoots amazingly accurate w/ the TB barrel and Mapleleaf 60degree bucking I have in it. I 3D printed a new blowback housing which reduced the weight pretty drastically for the slide. It handles the extra weight from larger suppressors and an RMR just fine and cycles quickly every shot.

It's just a beast of a gun. A joy to shoot and show off to people. You see FNX-45s few and far between in my area so I definitely am happy to call this my main sidearm.
by Song L. on 08/17/2019
"The FNX-45 is a solid gun. However, it is picky with BB weights. .20g BBs are too light for this gun. .25g BBs and .28g BBs will perform much better. However, with heavier BB weight, you'll lose FPS. The licensing on this gun is by far the best I have seen. It looks just like the real thing with trademarks where they need to be, no white paint. The threading is 16mm positive(clockwise) so finding a mock supressor may be hard. Frame is polymer and slide is metal with vital parts being metal (slide release, internals, etc). Did I mention the gun was ambidextrous? Yes, mag release and slide release is ambidextrous! However, there are always cons. A few problems I have ran into with this airsoft is the serial number plate, located under the rail of the gun. It fell off on the first shot. Mag release and slide release are hard to use. If you are a lefty, using the right slide release button is tricky because it pushes in (It's not suppose to) and doesn't work correctly. The left slide release works fine. The mag release, however, can be hard to reach due to the size of this gun and it can be sticky at times. The gun can be bulky for small hand users. The biggest problem I can see with the FNX is the fact that the hopup unit and inner barrel is held onto the outer barrel via a spring, tugging the outer barrel will stretch out the spring and you will have to buy a new "hopup return spring". This will leave you with a out-of-commission sidearm for a few days until you can replace the hopup return spring.

good trademarks
large mag capacity (25-26 rounds)
nice weight
RMR accessibility (Ace1Arms)
SilencerCo Opsrey Suppressor Accessibility (Ace1Arms)
Left- hand user friendly

Polymer frame (reliability/longevity issues)
poor hopup/inner barrel assembly
sticky ambidextrous controls

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