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Specna Arms SA-FX02 Flex BLDC HAL ETU Gen. 2 AEG Assault Carbine - Olive

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€236.18
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€236.18

Specna Arms SA-FX02 Flex BLDC HAL ETU Gen. 2 AEG Assault Carbine - Olive

Electric assault carbine replica from the Flex Gen. 2 series, engineered for enhanced performance straight out of the box. All structural components are assembled with exceptional accuracy, ensuring smooth mechanism operation and a superior standard of functionality.

Polymer body reinforced with nylon fiber, steel components

The carbine’s body, Free Float front, receiver extension equipped with a Light Ops Stock, and pistol grip are constructed from nylon fiber-reinforced polymer. Components such as the barrel, silencer, enlarged charging handle, and controls are crafted from an aluminum-zinc alloy. Steel parts include the ejection port cover, dummy bolt, as well as all screws and pins. Markings and serial number are engraved directly on the main body.

Light Ops Stock, ESA quick spring change system

Outfitted with a lightweight Light Ops Stock featuring an adjustable length, the replica enhances maneuverability. Both sides of the cheek rest are fitted with rubber, non-slip inserts for improved stability during aiming. The buttplate is finished with a curved rubber pad that secures comfortably against the shoulder. Thanks to the ESA quick spring change system, users can rapidly alter the carbine’s power to match field regulations without needing specialized equipment.

High-quality internal components

Equipped with premium-grade internal parts for enhanced performance:

  • Features a Hop-Up TDC Magnus Top Down Center rotating chamber
  • Includes a Helium Flat Hop rubber
  • Fitted with an aluminum, sealed nozzle
  • Comes with 8-mm sliding bearings
  • Utilizes a steel gear set
  • Built with a polycarbonate piston featuring a full steel rack
  • Offers a precision barrel with a 6.03 mm cross-section
  • Powered by the Specna Arms Dark Matter High Speed 27k efficient brushless motor

Reinforced Ather gearbox

Outfitted with a reinforced Ather gearbox, the carbine delivers the following features:

  • main spring release capability
  • inspection ports for pre-cocking and AoE adjustments
  • strengthened front section
  • inspection ports designed for straightforward shimming
  • trigger adjustment capability
  • screw slots to support framework alignment
  • compatible with M140 springs

HAL ETU electronic control system

The replica incorporates the HAL ETU electronic control system, offering a comprehensive suite of features that enable precise customization of the trigger system and fire modes according to user preferences:

  • Utilizes trigger detection through magnetic sensors and the Hall effect
  • Equipped with an active braking system
  • Features a binary trigger function
  • Provides adjustable trigger sensitivity with 5 selectable levels, ranging from 20% to 100%
  • Allows for adjustable pre-cocking with 6 different settings
  • Enables programmable automatic firing modes, including full auto, semi, 3-round burst, and 5-round burst options
  • Supports programmable single shot modes, such as semi, binary, AUG, and sniper configurations
  • Facilitates trigger programming
  • Includes a low battery warning indicator
  • Compatible for use with brushless motors

Set elements

  • Specna Arms SA-FX02 Flex BLDC HAL ETU Gen. 2 AEG assault rifle
  • 2 x S-MAG Mid-Cap magazines
  • BB speedloader
  • spare M90 spring
  • Tamiya small to T-Deans adapter
  • barrel cleaning rod
  • Allen wrench

Main features

  • Flex Gen. 2 series
  • Polymer frame reinforced with nylon fiber
  • Steel hardware
  • Light Ops Stock with adjustable length
  • ESA rapid spring change system
  • TDC Magnus Top Down Center Hop-Up chamber with rotary adjustment
  • Helium Flat Hop bucking
  • 6.03 mm precision inner barrel with cross-sectional design
  • 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 380 fps
Magazine type Mid-Cap
Magazine capacity 120 6 mm caliber BBs
Gearbox Reinforced
Body Polymer
Overall length 840 mm
Weight 2150 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 5902543212092
Manufacturer code SPE-01-048013
Brand Specna Arms

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