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Mugen Fire Class I Custom ChainSAW Zombie Killer M249 Airsoft Machine Gun (Color: Black / Para)
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$721.00
The Mugen Fire Class I ChainSAW Zombie Killer M249 is a custom Para-style Airsoft AEG featuring distinctive ChainSAW-inspired furniture, lightweight construction, and unmistakable tactical styling.
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MUGEN FIRE CLASS I CUSTOM CHAINSAW “ZOMBIE KILLER” M249 AIRSOFT AEG – BLACK / PARA
Custom ChainSAW Styling • FN-Licensed M249 Base • Lightweight Reinforced Polymer • Metal Version 2 Gearbox • Quick-Change Spring • Rotary Hop-Up • M4/M16 AEG Magazine Compatible
MUGEN FIRE // CLASS I CUSTOM // CHAINSAW // ZOMBIE KILLER // M249 // PARA // FN LICENSED // CUSTOM AIRSOFT AEG
For airsoft collectors who think a standard M249 simply isn’t wild enough, the Mugen Fire Class I Custom ChainSAW Zombie Killer M249 Airsoft Machine Gun – Black / Para delivers one of the most distinctive custom support-style AEG designs available.
Built around an FN-licensed M249 Featherweight-style platform, the Mugen Fire ChainSAW transforms the familiar support-gun silhouette with its unmistakable top-mounted control-grip arrangement and custom front/rear grip configuration. The result is a futuristic, unconventional airsoft replica inspired by experimental ChainSAW concepts while retaining the serviceability and upgrade potential of a modern electric airsoft platform.
Underneath the custom exterior is a metal Version 2 gearbox, quick-change spring system, LiPo-ready internals, adjustable rotary hop-up, aluminum alloy barrel assembly, and broad Tokyo Marui-style M4 gearbox component support. The platform also accepts compatible M4/M16 AEG magazines and can be paired with appropriate A&K-style drum magazines.
01 // CUSTOM CHAINSAW-INSPIRED DESIGN
The defining feature of this Mugen Fire custom build is its unusual ChainSAW-inspired layout.
Rather than looking like another conventional M249, the custom configuration incorporates a prominent upper grip and specialized front/rear grip arrangement.
The result is immediately recognizable.
Whether displayed as part of an airsoft collection, used for themed events where permitted, or simply chosen because you want something completely different from another AR-style AEG, the Mugen Fire ChainSAW has undeniable visual presence.
02 // FN-LICENSED M249 FOUNDATION
Beneath the custom treatment is an FN-licensed M249-style airsoft platform.
Official licensing gives the base replica a stronger connection to the iconic FN M249 MINIMI family while the Mugen Fire customization takes the exterior in an entirely different direction.
It creates an interesting combination: recognizable M249 heritage paired with exaggerated science-fiction and “Zombie Killer” styling.
03 // LIGHTWEIGHT FEATHERWEIGHT ARCHITECTURE
Traditional airsoft support platforms can be extremely heavy.
This custom build benefits from the lightweight architecture of the M249 Featherweight, using fiber-reinforced nylon polymer for major structural components.
The supplied information places the underlying Featherweight platform around 8 lbs, representing a significant reduction compared with many full-metal M249 replicas.
Fiber reinforcement provides a stronger construction than basic lightweight polymer while helping keep the replica manageable.
04 // REINFORCED POLYMER CUSTOM GRIPS
The custom front and rear grips are constructed from nylon fiber-reinforced polymer.
These components are central to the ChainSAW aesthetic and help transform the traditional M249 profile into the unique Mugen Fire Class I configuration.
The polymer construction also prevents the custom furniture from adding excessive unnecessary weight to an already large airsoft replica.
05 // METAL VERSION 2 GEARBOX
Internally, the Featherweight platform replaces the traditional oversized M249 gearbox architecture with a metal Version 2 gearbox.
That’s a significant advantage for long-term serviceability.
The Version 2 architecture is one of the most established gearbox standards in airsoft, meaning compatible replacement components and technical support are widely available.
It also gives experienced airsoft technicians a familiar foundation for maintenance and appropriate upgrades.
06 // QUICK-CHANGE SPRING & MODERN INTERNAL PLATFORM
The gearbox incorporates a quick-change spring system, helping simplify appropriate spring servicing compared with many traditional gearbox designs.
The supplied specifications also describe the internal system as LiPo-ready and compatible with many Tokyo Marui M4-system components.
This gives the ChainSAW a modern internal foundation beneath its extremely unconventional exterior.
Any internal modification should still be checked carefully for compatibility and performed by an experienced airsoft technician when appropriate.
07 // ROTARY ADJUSTABLE HOP-UP
The M249 Featherweight base uses a rotary-dial adjustable hop-up system.
Hop-up controls the amount of backspin applied to an airsoft BB, allowing the system to be tuned for different BB weights and flight characteristics.
Rotary systems are particularly convenient because they provide incremental adjustment and help maintain a selected setting.
08 // ALUMINUM ALLOY BARREL ASSEMBLY
The front end incorporates an aluminum alloy barrel assembly with a metal locking mechanism.
This provides metal reinforcement in a key structural area while maintaining the overall weight-saving philosophy of the Featherweight platform.
It’s a sensible combination for a large custom AEG: reinforced polymer where weight can be saved and metal construction where additional structural support is beneficial.
09 // M4 / M16 AEG MAGAZINE COMPATIBILITY
Despite its unusual appearance, the platform retains a highly practical feature:
M4 / M16 AEG MAGAZINE COMPATIBILITY
The supplied specifications state that the platform utilizes standard compatible M4/M16-type AEG magazines.
Compatible A&K-style drum or box magazine options may also be available separately for players who want the traditional support-gun magazine appearance.
Exact aftermarket magazine fitment should always be verified before purchase.
SPECIFICATIONS // AT A GLANCE
Brand / Customizer: Mugen Fire
Series: Class I Custom
Model: ChainSAW “Zombie Killer” M249
Configuration: Para
Color: Black
Base Platform: FN-Licensed M249 Featherweight-Style AEG
Power System: Electric / AEG
Receiver: Fiber-Reinforced Nylon Polymer
Custom Grips: Nylon Fiber-Reinforced Polymer
Gearbox: Metal Version 2
Spring System: Quick Change
Internal Platform: Tokyo Marui M4-System Compatible Components
Battery System: LiPo-Ready Internals
Outer Barrel: Aluminum Alloy
Barrel Locking System: Metal
Hop-Up: Rotary Dial Adjustable
Magazine Compatibility: Compatible M4 / M16 AEG Magazines
Drum Magazine Options: Compatible A&K-Style Options Available Separately
WHY CHOOSE THE MUGEN FIRE CHAINSAW M249?
✓ ONE-OF-A-KIND CUSTOM APPEARANCE
Far removed from the conventional M249 silhouette.
✓ FN-LICENSED BASE PLATFORM
Built around an officially licensed M249-style airsoft foundation.
✓ FEATHERWEIGHT CONSTRUCTION
Reinforced polymer helps dramatically reduce overall weight.
✓ METAL VERSION 2 GEARBOX
Common internal architecture with extensive aftermarket support.
✓ QUICK-CHANGE SPRING
Simplifies compatible servicing and configuration changes.
✓ ROTARY HOP-UP
Provides precise adjustment of BB flight characteristics.
✓ M4/M16 MAGAZINE COMPATIBILITY
Uses a widely available AEG magazine format.
✓ A&K COMPONENT COMPATIBILITY
Compatible with many appropriate A&K and A&K-clone M249 components.
TECH NOTE // CUSTOM PLATFORM COMPATIBILITY
Because this is a custom airsoft platform, don’t assume that every standard M249, M4, or Version 2 component will fit simply because it belongs to the same general family.
Verify compatibility before purchasing replacement or upgrade components. For significant gearbox or electrical work, professional airsoft technician installation is recommended.
Always use proper rated airsoft eye protection and follow your local field’s rules and equipment requirements.
FINAL WORD // DEFINITELY NOT ANOTHER ORDINARY M249
The Mugen Fire Class I Custom ChainSAW Zombie Killer M249 Airsoft AEG – Black / Para is built for the player or collector who wants something genuinely different.
Its radical ChainSAW-inspired custom furniture transforms the recognizable FN M249 silhouette into a futuristic custom platform, while the Featherweight foundation keeps the replica substantially more manageable than many traditional full-metal support AEGs.
Underneath the custom exterior, the combination of a fiber-reinforced polymer receiver, metal Version 2 gearbox, quick-change spring system, LiPo-ready internals, rotary hop-up, aluminum barrel assembly, M4/M16 magazine compatibility, and broad aftermarket component potential gives the platform practical serviceability to match its unique appearance.
For customers searching for a Mugen Fire ChainSAW M249, Zombie Killer airsoft gun, custom M249 airsoft AEG, FN M249 Featherweight custom, ChainSAW airsoft replica, M249 Para AEG, or custom support-style airsoft gun, this Class I build is one of the most distinctive M249-based replicas available.
MUGEN FIRE // CLASS I CUSTOM // CHAINSAW // ZOMBIE KILLER // M249 // PARA // FN LICENSED // V2 AEG
| Weight | 3.7 kg |
|---|---|
| Dimensions | 48 × 12 × 9 in |
| Product Specifications | Length: 8200mm Gearbox Specifications: |
FAQ
◉ MUGEN FIRE CHAINSAW ZOMBIE KILLER M249 // FAQ ◉
Class I custom M249 styling, ChainSAW-inspired furniture, FN-licensed Featherweight foundation, reinforced polymer construction, Version 2 gearbox architecture, quick-change spring access, LiPo-ready internals, rotary hop-up, and M4 / M16 magazine compatibility.
CLASS I CUSTOM // CHAINSAW M249
What is the Mugen Fire ChainSAW M249?
It is a
Class I custom airsoft AEG built around an FN-licensed M249 Featherweight-style platform
with specialized ChainSAW-inspired furniture and distinctive custom styling.
CUSTOM BUILD // NOT STANDARD M249
Is this a standard M249?
No.
While based on an M249-style airsoft platform, this is a heavily customized
Mugen Fire ChainSAW configuration.
CHAINSAW // CUSTOM ERGONOMIC CONCEPT
What does “ChainSAW” mean?
The name references an
experimental-style ergonomic concept
that dramatically changes the traditional control layout and appearance of the M249 platform.
BLACK // PARA CONFIGURATION
Is this the Para configuration?
Yes.
This listing is specifically for the
Black / Para model.
FN HERSTAL // LICENSED FOUNDATION
Is it FN licensed?
The underlying M249 platform is described as
fully licensed by FN Herstal.
FIBER-REINFORCED NYLON // RECEIVER
Is the receiver metal?
No.
The Featherweight-style receiver uses
fiber-reinforced nylon polymer
to reduce overall weight while maintaining structural strength.
NYLON FIBER // REINFORCED CUSTOM GRIPS
Are the custom grips reinforced?
Yes.
The front and rear grip components are made from
nylon fiber-reinforced polymer.
VERSION 2 // METAL AEG GEARBOX
What gearbox does it use?
The ChainSAW M249 uses a
metal Version 2 AEG gearbox
as part of its Featherweight-style internal architecture.
QUICK-CHANGE // SPRING SYSTEM
Does it have a quick-change spring?
Yes.
A
quick-change spring system
is included with the gearbox configuration.
LIPO READY // ELECTRICAL SYSTEM
Is it LiPo ready?
The supplied specifications describe the internal configuration as
LiPo ready.
Battery voltage, connector type, discharge rating, and physical fit should always be verified before use.
NOT HEAVYWEIGHT // V2 ARCHITECTURE
Does it use a traditional M249 gearbox?
No.
The Featherweight architecture uses a
lighter Version 2 gearbox system
rather than the traditional heavyweight A&K M249 gearbox design.
ROTARY DIAL // ADJUSTABLE HOP-UP
Is the hop-up adjustable?
Yes.
The rifle uses a
rotary-dial adjustable hop-up
for tuning BB trajectory.
M4 / M16 AEG // MAGAZINE PLATFORM
What magazines does it accept?
The platform is designed around compatible
M4 / M16 AEG magazines.
DRUM / BOX MAG // VERIFY FITMENT
Can it use a drum magazine?
Compatible
A&K-style drum or box magazine options
may be available separately. Exact fitment should be confirmed before purchasing an additional magazine.
A&K STYLE // COMPONENT COMPATIBILITY
Can I install A&K M249 parts?
The supplied specifications indicate compatibility with many
A&K and A&K-clone M249 series components,
although individual part fitment should always be confirmed before purchase or installation.
CLASS I CUSTOM // COLLECTOR APPEAL
Is this a good collector’s airsoft replica?
Its unusual
Mugen Fire Class I custom styling, ChainSAW-inspired layout, FN-licensed M249 foundation, and distinctive Zombie Killer theme
make it particularly interesting for collectors looking for unconventional airsoft builds.
MUGEN FIRE // CLASS I CUSTOM // CHAINSAW
What makes the Mugen Fire ChainSAW Zombie Killer M249 stand out?
The Mugen Fire ChainSAW Zombie Killer M249 combines
Class I custom styling, an FN-licensed Featherweight-style M249 foundation, nylon fiber-reinforced ChainSAW furniture, a metal Version 2 gearbox, quick-change spring system, LiPo-ready internals, rotary hop-up, M4 / M16 magazine compatibility, and distinctive Para-model aesthetics.
It stands apart as a highly unconventional custom airsoft replica built for players and collectors who want something visually different from a standard M249 platform.
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Product Questions
Important information about ordering, processing, shipping and product compatibility.
Yes. Eligible products can be shipped across Canada.
Shipping methods and rates are displayed during checkout.
Standard processing is normally approximately 3–4 business days.
Weekends and statutory holidays are not processing days.
Some products require a transfer from our USA warehouse.
These orders may require additional processing time.
Yes. Contact our team before ordering for compatibility assistance
with rifles, pistols, engines, gearboxes and accessories.
Tracking is normally supplied after processing,
packaging and carrier acceptance.
Selected airsoft rifles and pistols may qualify.
Eligibility depends on platform, condition and current demand.
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