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Specna Arms SA-FX01 Flex HAL ETU AEG Submachine Gun with orange muzzle device - Black

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€153.54

Specna Arms SA-FX01 Flex HAL ETU AEG Submachine Gun with orange muzzle device - Black

Electric submachine gun replica modeled after the AR-15 platform, equipped with an orange muzzle device. Manufactured from reinforced polymer supplemented with nylon fiber, this design ensures enhanced mechanical durability while preserving a lightweight build. Ideally suited for CQB scenarios and as a secondary weapon for snipers or support operators.

Nylon fiber body, Light Ops Stock

Engineered with a lightweight nylon fiber body and aluminum internal components including the outer barrel, enlarged charging handle, and control levers. Steel elements have been used for the pins, screws, belt grips, and dummy lock, ensuring enhanced durability. Outfitted with a Free Float handguard featuring the M-LOK system, an upper RIS rail equipped with flip-up sights, and a Light Ops stock with anti-slip panels and an ergonomically shaped butt plate.

ESA quick-change spring system, precision barrel

Equipped with a rotary Hop-Up chamber, a 6.03 mm precision barrel, and a polycarbonate piston featuring a full steel rack. The internal build utilizes 8 mm slide bearings. Thanks to the ESA system, spring changes can be performed swiftly without the need for tools. The package comes with two springs, allowing for initial energies of either 380 or 300 FPS.

HAL ETU control system

Equipped with the HAL ETU control system, the replica enables fire mode programming directly through the use of the trigger and selector. Utilizing magnetic sensors and Hall effect for trigger position detection, the system delivers precise performance. Integrated functionalities consist of:

  • active brake
  • binary trigger
  • five-level trigger sensitivity adjustment (ranging from 20 to 100%)
  • pre-cocking adjustment (six levels)
  • programmable auto fire modes (full auto, semi, 3-round burst, 5-round burst)
  • programmable single fire modes (semi, binary, AUG, sniper)
  • low battery alert

Set elements

  • Specna Arms SA-FX01 Flex HAL ETU AEG submachine gun featuring a black finish and equipped with an orange muzzle device
  • Magazine
  • Notch
  • Additional spring

Main features

  • Orange muzzle device
  • Nylon fiber construction
  • Aluminum internal mechanisms
  • Steel components
  • Free-floating handguard with M-LOK attachment system
  • Dorsal RIS mounting rail
  • Light Ops adjustable stock
  • Rotary-style Hop-Up unit
  • 6.03 mm precision inner barrel
  • Polycarbonate piston with a full-steel rack
  • 8 mm slide bearings
  • ESA rapid spring change system
  • HAL ETU electronic control unit
Specna Arms


Militaria.pl is a premium dealer of Specna Arms.


Specna Arms is a brand specialized in the production of ASG replicas, valued for their solid workmanship and value for money. The offered models are characterized by realistic appearance and high durability. The range includes a variety of series - from lightweight CORE™ models for beginners, through advanced EDGE™ models with metal bodies and licensed markings, to top PRIME™ replicas with brushless motors and modern electronics. The brand collaborates with renowned companies such as Rock River Arms and Daniel Defense. Specna Arms has a reputation among both beginners and advanced airsoft players.

More Information
Based on M4
Replica propulsion Electric
Muzzle velocity 380 fps
Magazine type Mid-Cap
Magazine capacity 125 6 mm caliber BBs
Gearbox Standard
Body Polymer
Overall length 750 mm
Weight 1970 g
Optics ready Yes
Fixed sighting devices Yes
Additional accessories included Yes
Accessory rail Yes
Hop-up Yes
Plug type Deans/T-Connect
EAN 5902543207906
Manufacturer code SPE-01-047537
Brand Specna Arms

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