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Specna Arms SA-F05-RL Flex BLDC Light Ops Stock HAL ETU Gen. 2 AEG Assault Carbine - Half-Tan

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€236.21
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€236.21

Specna Arms SA-F05-RL Flex BLDC Light Ops Stock HAL ETU Gen. 2 AEG Assault Carbine - Half-Tan

The electric replica of the SA-F05-RL carbine from the Flex Gen. 2 series features construction from a nylon fiber-reinforced polymer and metal components. Outfitted with a HAL ETU control unit, the carbine enables personalization of settings to match individual preferences, alongside a Specna Arms Dark Matter brushless BLDC motor and an ESA quick spring replacement system. Precision fitting of structural elements ensures optimal performance and delivers exceptionally smooth operation of all mechanisms.

body reinforced with nylon fiber

The body, receiver extension, and pistol grip are constructed from nylon fiber reinforced polymer. Metal parts include the flash hider, outer barrel, dummy slide, ejection port cover, fire selector, bolt release button, magazine catch, QD mounts on the stock, pins, and reloading lever. The proprietary Specna Arms body features enlarged, ambidextrous grips and a functional Bolt-Catch. Additional features include manufacturer markings and an individual serial number on the body.

RIS set, retractable stock with anti-slip recoil pad

Thanks to the integration of a 22 mm RIS rail, mounting any optoelectronic accessory is possible. Out of the box, the replica is outfitted with mechanical, adjustable flip-up sights, featuring both a front sight and a peep sight. The standard M-LOK handguard includes three RIS rails positioned on the sides and bottom, enabling the attachment of additional tactical gear. Featuring a Light Ops Stock telescopic stock with a non-slip recoil pad, the replica offers length adjustment for personalized comfort.

Precision barrel, rotary Hop-Up chamber

Equipped with a rotary Hop-Up TDC Magnus chamber and a 6.03 mm precision barrel, the model delivers enhanced range and accuracy. Stability of the fired BBs is further reinforced by the Helium Flat Hop rubber. The standard flash hider, fitted on a 14 mm left-hand thread, enables the easy installation of a sound suppressor as an alternative.

Reinforced Ather gearbox

At the heart of the replica lies the Aether gearbox featuring a reinforced framework, delivering a BB muzzle velocity of 380 FPS. Outfitted with:

  • main spring quick release system
  • inspection windows enabling pre-cocking and AoE monitoring
  • reinforced gearbox front
  • extra inspection holes for simplified shimming
  • adjustable trigger feature
  • mounting slots for precise framework alignment
  • M140 spring compatibility

Additionally, the replica incorporates a brushless BLDC Specna Arms Dark Matter High Speed 27k motor.

HAL ETU module

Outfitted with a HAL ETU trigger control system, the model facilitates convenient function programming directly via the trigger and selector, optimizing replica operation. The HAL system introduces a wide array of customizable functions to tailor the replica to user preferences and enhance operational safety, including:

  • trigger recognition utilizing magnetic sensors and the Hall effect
  • active braking mechanism
  • binary firing mode
  • adjustable trigger sensitivity (offering 5 levels between 20% and 100%)
  • pre-cocking adjustment (6 selectable settings)
  • programmable automatic fire modes (Full Auto, Semi, 3-shot Burst, 5-shot Burst)
  • configurable semi-automatic fire modes (Semi, Binary, AUG, Sniper)
  • hassle-free programming performed with the trigger
  • low battery indicator
  • brushless motor compatibility

Quick spring change system ESA

Fitted with the ESA quick spring replacement system, the carbine enables swift power adjustments to match game requirements without needing to disassemble the gearbox or use specialized equipment. The replica comes standard with an M120 spring, delivering a muzzle velocity of 380 FPS, and also includes an M90 spring for adapting the model to indoor scenarios.

two Mid-Cap magazines

Set contains two Mid-Cap magazines, each holding up to 125 BBs.

Set elements

  • Specna Arms SA-F05-RL Flex BLDC Light Ops Stock HAL ETU Gen. 2 AEG Assault Carbine - Half-Tan configuration
  • Includes 2 x Mid-Cap S-MAG Magazines
  • Equipped with a cleaning rod
  • Supplied with an Allen key
  • Features a Small Tamiya to T-Deans adapter
  • Comes with a BB speed loader
  • Includes an additional M90 spring

Main features

  • Robust build quality
  • Aether v2 gearbox
  • Specna Arms Dark Matter High Speed 27k brushless BLDC motor
  • Rotary TDC Magnus Hop-Up unit
  • M-LOK compatible handguard
  • HAL ETU electronic trigger unit
  • 14 mm CCW threading
  • Optical sighting system
  • Adjustable retractable stock
  • Helium Flat Hop bucking
  • ESA rapid spring change system
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
Accurate shot range Up to 40 m
Magazine type Mid-Cap
Magazine capacity 125 6 mm caliber BBs
Gearbox Reinforced
Body Polymer
Overall length 850 mm
Weight 2270 g
Optics ready Yes
Fixed sighting devices Yes
Blowback No
Additional accessories included Yes
Accessory rail Yes
Hop-up Yes, adjustable
Plug type Deans/T-Connect
EAN 5902543211941
Manufacturer code SPE-01-047998
Brand Specna Arms

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