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

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€236.21
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€236.21

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

An electric replica of a carbine from the Flex Gen. 2 series, newly engineered to deliver even higher performance straight out of the box. The carefully crafted structural components of the replica have been assembled with exceptional accuracy, ensuring outstanding performance and seamless mechanism operation.

Polymer body reinforced with nylon fiber, steel components

The carbine's body, Free Float handguard, receiver extension equipped with the Light Ops Stock, and pistol grip are constructed from nylon fiber reinforced polymer. The barrel, suppressor, enlarged charging handle, and controls are crafted from aluminum and zinc alloy. Steel components consist of the ejection port, faux bolt, along with all screws and pins. Markings and serial number are permanently inscribed on the body.

Light Ops Stock, ESA quick spring change system

The replica features a lightweight Light Ops Stock with a sliding mechanism. Both sides of the cheek rest are outfitted with rubber, non-slip inserts that enhance stability while aiming. The buttstock is finished with a curved rubber cap that fits securely against the shoulder. Thanks to the ESA quick spring change system, adjusting the carbine’s power to meet specific field restrictions is possible without any specialized tools.

High-quality internal components

Equipped with premium-grade internal components for maximum reliability and performance:

  • features a rotational Hop-Up chamber with TDC Magnus Top Down Center system
  • Helium Flat Hop bucking installed
  • aluminum, sealed nozzle for enhanced air efficiency
  • 8-mm slide bearings for smooth operation
  • durable steel gear set
  • high-strength polycarbonate piston with a full steel rack
  • 6.03 mm precision inner barrel for improved accuracy
  • powered by the high-efficiency Specna Arms Dark Matter High Speed 27k brushless motor

Reinforced Ather gearbox

The carbine comes fitted with a reinforced Ather gearbox that includes:

  • a main spring release system
  • pre-cocking and AoE inspection ports
  • strengthened front section
  • inspection ports designed for effortless shimming
  • adjustable trigger mechanism
  • precision screw holes to secure proper framework alignment
  • compatibility for use with M140 springs

Electronic control system HAL ETU

Equipped with the advanced HAL ETU electronic control system, the replica provides versatile features for highly accurate customization of both trigger response and firing modes according to user preferences:

  • trigger detection utilizes magnetic sensors combined with the Hall effect
  • integrated active braking system
  • binary trigger configuration
  • customizable trigger sensitivity featuring 5 selectable levels, adjustable from 20% up to 100%
  • adjustable pre-cocking function with 6 incremental settings
  • automatic firing modes are programmable, including full auto, semi-auto, 3-round burst, and 5-round burst options
  • single shot firing modes are also programmable: semi, binary, AUG, and sniper modes available
  • trigger programming capability
  • alarm function for low battery levels
  • compatible with brushless motor systems

Set elements

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

Main features

  • Flex Gen. 2 series
  • Polymer construction reinforced with nylon fiber
  • Steel parts
  • Light Ops Stock adjustable stock
  • ESA system for rapid spring exchange
  • TDC Magnus Top Down Center rotary Hop-Up unit
  • Helium Flat Hop bucking
  • Precision inner barrel with a diameter of 6.03 mm
  • 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 Black
Optics ready Yes
Fixed sighting devices Yes
Additional accessories included Yes
Accessory rail Yes
Hop-up Yes
Plug type Deans/T-Connect
EAN 5902543212061
Manufacturer code SPE-01-048010
Brand Specna Arms

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