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Specna Arms SA-FX01 Flex BLDC HAL ETU Gen. 2 AEG Assault Carbine - Olive

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€229.13
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€229.13

Specna Arms SA-FX01 Flex BLDC HAL ETU Gen. 2 AEG Assault Carbine - Olive

Electric assault carbine replica from the Flex Gen. 2 series, newly engineered to deliver enhanced factory performance. The carefully crafted structural parts are assembled with exceptional precision, ensuring reliable functionality and a consistently smooth operating system.

Polymer body reinforced with nylon fiber, steel components

Constructed with a body, Free Float front, receiver extension featuring a Light Ops Stock, and pistol grip formed from nylon fiber-reinforced polymer. The barrel, flash hider, oversized charging handle, and controls are composed of an aluminum and zinc alloy. Steel elements include the ejection port cover, dummy bolt, along with all screws and pins. Markings and serial number are engraved on the body.

Light Ops Stock, ESA quick spring change system

Outfitted with a lightweight Light Ops Stock, the replica features an adjustable configuration. Both cheeks of the cheek pad are fitted with rubber, non-slip inserts, enhancing stability while aiming. The end of the stock incorporates a curved rubber pad that secures firmly against the shoulder. Thanks to the ESA quick spring change system, users can easily adapt the carbine’s power to meet field requirements, all without the need for specialized tools.

High-quality internal components

Equipped with premium-grade internal components:

  • TDC Magnus Top Down Center rotating Hop-Up chamber
  • Helium Flat Hop bucking
  • sealed aluminum nozzle
  • 8-mm ball bearings
  • hardened steel gear assembly
  • polycarbonate piston featuring a full steel tooth rack
  • 6.03 mm cross-section precision inner barrel
  • high-performance Specna Arms Dark Matter High Speed 27k brushless motor

Reinforced Ather gearbox

Equipped with a reinforced Ather gearbox, the carbine stands out due to its:

  • main spring quick-release system
  • inspection ports dedicated for pre-cocking setup and AoE adjustments
  • strengthened front section
  • viewing windows to facilitate precise shimming
  • adjustable trigger feature
  • threaded holes designed for aligning the internal structure
  • support for use with M140 springs

HAL ETU electronic control system

The replica incorporates the HAL ETU electronic control system, offering extensive features for highly customizable trigger mechanism and fire mode settings tailored to the operator’s needs.

  • Trigger operation utilizes advanced magnetic sensors with Hall effect technology.
  • Features an integrated active brake.
  • Equipped with a binary trigger function.
  • Trigger sensitivity can be adjusted across five levels, ranging from 20 to 100%.
  • Pre-cocking settings are adjustable on six different levels.
  • Automatic firing modes can be programmed to full auto, semi, 3-round burst, or 5-round burst.
  • Selectable single-shot firing modes include semi, binary, AUG, and sniper configurations.
  • Allows for trigger programming.
  • Includes a low battery level alert function.
  • Supports compatibility with brushless motors.

Set elements

  • Specna Arms SA-FX01 Flex BLDC HAL ETU Gen. 2 AEG assault rifle
  • 2 x Mid-Cap S-MAG magazines
  • BB speedloader
  • spare M90 spring
  • Tamiya Small to T-Deans adapter
  • barrel cleaning rod
  • Allen wrench

Main features

  • Flex Gen. 2 series
  • Polymer construction reinforced with nylon fiber
  • Steel elements
  • Adjustable Light Ops Stock
  • ESA rapid spring change system
  • Hop-Up TDC Magnus Top Down Center rotary chamber
  • Helium Flat Hop bucking
  • 6.03 mm precision inner barrel
  • Specna Arms Dark Matter High Speed 27k brushless motor
  • Reinforced Ather gearbox
  • HAL ETU electronic trigger 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 400 fps
Magazine type Mid-Cap
Magazine capacity 120 6 mm caliber BBs
Gearbox Reinforced
Body Polymer
Overall length 760 mm
Weight 2000 g
Main color Olive
Optics ready Yes
Fixed sighting devices Yes
Additional accessories included Yes
Accessory rail Yes
Hop-up Yes
Plug type Deans/T-Connect
EAN 5902543212047
Manufacturer code SPE-01-048008
Brand Specna Arms

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