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Cybergun FN Licensed M249 "Featherweight" Airsoft Machine Gun (Model: Para / 400 FPS)

ID: 95084 (AEG-FW249-BK-400)
200814-US (1.4J NoBat & C)
Cybergun / Spartan Mil/LE806481208146200814-US (1.4J NoBat & C)95084
4.5 stars, based on 39 reviews
Cybergun FN Licensed M249 Featherweight Airsoft Machine Gun (Model: Para / 400 FPS)
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Optic and Box Magazine not included
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Cybergun / Spartan Mil/LEFN Herstal


MAP ProtectedExempt From Coupons
The manufacturer of this product enforces a strict minimum advertised price (MAP) policy which excludes this product from any additional discount coupon codes. This item, however, may qualify for free shipping.
Temporary No-ExportTemporarily avilable in US only
This item is temporarily only available for shipping within the United States. International delivery will be available this item soon.
Canada Export CompliantCanadaExport Compliant
This gun has a muzzle velocity rating (FPS) between 366 and 500, and is compliant for export to Canada.
Free ShippingNo Coupon Required
Free shipping within lower 48 US states, no coupon code needed!
Model Options:


  • Fully licensed by FN Herstal. Support licensed products. Your support directly benefits the original designer
  • Heavy duty design yet extremely lightweight for mobility and longevity in combat! Fiber-reinforced nylon polymer receiver, handguard, top cover, stock and bipod)
  • Compatible with most A&K and A&K clone metal M249 series components
  • Version 2 Metal gearbox with tricked out internals (specs below)
  • Quick change spring, lipoly ready internals, and Marui M4 system compatible for easy tune-up, repair, and upgrade
  • Aluminum alloy barrel assembly with metal locking mechanism
  • Rotary dial hopup provides precise adjustment
  • Utilizes all M4 / M16 AEG type magazines and can be equipped with various drum mags available from A&K!
Light machine guns, like the FN M249, have been a vital asset on the field for years. Usually the job of lugging one of these bad boys around falls on the shoulders of the strongest person on the team, but today that all changes. This FN Licensed M249 Para "Featherweight" Airsoft Machine Gun solves all the woes of wanting an LMG on the field, but not having the strength and/or willingness to carry it around all day. This M249 weighs in at a reasonable 8lbs, shedding almost 50% of the weight compared to its full metal counterpart! Fear not though, just because it's lightweight doesn't mean it's weak and flimsy. The receiver and chassis are made from a fiber-reinforced nylon polymer that's constructed in a super high strength design, making this featherweight option extremely durable.

The FN M249 Featherweight has also shed some pounds by discarding the original brick-heavy standard M249 gearbox design in favor of a lighter weight souped-up Version 2 gearbox. Full specs of the gearbox internals can be found below.

About the M249:
The FN M249 LMG was born out of true necessity; a need for something lighter than the M60 while still being able to provide ample suppressive firepower. This lightweight evolution of the machine gun is currently in service in the hands of the US military, as well as over 75 other nations around the world.

Based on the FN Minimi, the M249 uses a 5.56x45mm NATO cartridge in a belt-fed configuration, supplied from a plastic box magazine. In a pinch, you may also use STANAG compatible M16 magazines in this weapon system. Over the years the M249 has seen quite a few variants, all purpose-tailored to individual's needs.

Manufacturer: Cybergbun / Licensed by FN Herstal

FPS Range: 380-400

Color: Black

Package: Gun Only

Model (Type): Para / 400 FPS


Length: 790mm / 930mm (folded / extended)
Weight (w/o magazine): 3700g (8.15 lbs)
Joules: 1.4
Inner Barrel: ~340mm
Magazine: 300rd M4 Style AEG magazine included. Compatible with A&K style Box Magazines
Thread Direction: 14mm Negative
Gearbox: Version 2 (specs below)
Motor: Long Type
Fire Modes: Full-Auto, Safety
Package Includes: Gun, 300rd M4 Magazine, Bipod
Battery: 7.4V 1500mAh 20c LiPo battery recommended (Battery not included. Wiring inside feed tray with a Small Tamiya connector)
Hopup: Yes, Adjustable

Gearbox Specifications:
  • Aluminum alloy gearbox shell
  • 8mm metal bushings
  • Sintered steel 18:1 gear set
  • Plastic delayer chip for optimized Full-Auto cycling
  • Aluminum cylinder
  • Polycarbonate tappet plate
  • Polycarbonate piston
  • High compression polycarbonate piston head
  • High compression polycarbonate cylinder head
  • Polycarbonate lightweight nozzle
  • Quick-change spring guide

For a blow-up diagram of this Airsoft weapon, please click 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.

39 Customer Reviews

(Write a review)

by EDGAR B. on 07/22/2021
"I have this at home unopened I’m just going off what I have owned a g&g m4 with blowback and I’m hoping they didn’t skimp out of the motor. G&g has standard m120 motors pulling their springs, I’m hoping this one has a similar motor to those G&g branded m4’s. Because I was pleased with their rate of fire.
by Bryan G. on 05/30/2021
"Bought this on a whim a couple years ago. Wasn't sure what to expect, but for the price, I was enticed.

Externals: All Poylmer, but surprisingly, very sturdy(minimal creaking, flexing, etc.), I wouldn't go dropping it, but it's certainly not as fragile as ABS plastic bodies. RIS rails are a plus. Overall, this M249 looks very asthetically pleasing to the eyes, considering what it is. The trademarks are tastefully placed.

Internals: Uses a robust v2 gearbox. From what I gather, this isn't a common version gearbox in m249 aegs and some frowned upon it. But mine has been through multiple games with a heavy trigger finger and it has yet to give me any issues or fail. Spring on mine is putting out just over 300 fps with .2g bbs, it has a quick change spring set up that is easily accessed by opening the feeding tray if you want to swap it with an m120 spring to increase the fps. Rof is adequate with a 9.6v battery, it says ita lipo ready, but I wouldn't trust anything stronger than a 7.2 lipo(which for some reason nets a lower rof than the 9.6 in my experience.

Cons: the battery compartment is small and oddly shaped, greatly limiting the size and shape of the batteries you can use with this aeg(you're going to want a battery with a large mah for this aeg since it's an lmg). I put a battery bag on the outside to eliminate this problem, but still, it could have been designed better.

The box mag: while this is more a a slight against a&k( it's their brand box mag). I'd stay away from the 1500 rd nut sack style box mag they recommend with this gun. Right out of the box, the auto feed didn't work and the pressure feed mechanism could be wonky at times, also the clip to hold the box mag onto the aeg seems to have too much travel and it unclips very easily, which can damage your box mag by it hanging from the feed tube. I would either get the full size a&k 2,500 rd box mag(doesn't have any of the issues I mentioned above), or the MAG brand m249 boxmag.

Over, I'd recommend this gun, especially for its price. I've owner the Echo 1 m249 and the a&k m60, and this has been far more reliable than they ever were and lighter to boot!
by Michelle J. on 05/22/2021
"I love this gun, the first thing I did was take the bipod off because it wasn't very comfortable and my buddy gave me a folding vertical grip which is a lot better. However now I need a sling for it because I get in engagements that last a while and I run out of mags fast (A&K tan box mag was crap) and so I switch to a secondary but I don't like having to put it on the ground.

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