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

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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 - Black

An electric replica of the SA-F05-RL carbine from the Flex Gen. 2 series, constructed from nylon fiber-reinforced polymer and metal elements. Outfitted with a HAL ETU control unit that enables personalized configuration, a Specna Arms Dark Matter brushless BLDC motor, and an ESA quick spring replacement system. All structural parts are assembled with exceptional precision, ensuring top-tier performance and reliable, smooth mechanism operation.

body reinforced with nylon fiber

The body, receiver extension, and pistol grip are constructed from nylon fiber reinforced polymer. 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 are all made from metal. The unique Specna Arms body includes enlarged ambidextrous grips along with a fully operational Bolt-Catch. The body also comes with manufacturer markings and an individual serial number.

RIS set, retractable stock with anti-slip recoil pad

Featuring a 22 mm RIS rail, the platform enables the attachment of any optoelectronic accessories. Supplied as standard with mechanical, adjustable flip-up sights consisting of a front sight and a peep sight. The standard M-LOK handguard includes three RIS rails positioned on the sides and bottom, providing options for installing additional tactical gear. The Light Ops Stock telescopic stock, complete with a non-slip recoil pad, lets you customize the replica’s length according to your preferences.

Precision barrel, rotary Hop-Up chamber

Equipped with a rotary Hop-Up TDC Magnus chamber, paired with a 6.03 mm precision barrel, the model delivers enhanced range and shooting accuracy. Aiding further, the Helium Flat Hop rubber ensures improved BB flight stability. A standard flash hider sits on a 14 mm left-hand thread, making it possible to attach a sound suppressor as needed.

Reinforced Ather gearbox

At the heart of the replica lies the Aether gearbox featuring a reinforced frame, delivering BB velocities of up to 380 FPS. Outfitted with:

  • main spring release system
  • inspection ports designed for pre-cocking and AoE adjustments
  • an enhanced reinforced front section
  • extra inspection openings to simplify shimming
  • adjustable trigger mechanism
  • mounting points to ensure precise frame alignment
  • support for M140 springs

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

HAL ETU module

The replica utilizes a HAL ETU trigger control unit, streamlining operation and enabling straightforward functional programming via both the trigger and selector. A variety of customization possibilities and user safety measures are offered through the HAL system—tailor your replica easily to fit individual preferences and maintain security during use with features such as:

  • trigger recognition using magnetic sensors and the Hall effect
  • active braking function
  • binary trigger capability
  • five-stage adjustable trigger sensitivity (ranging from 20% to 100%)
  • six-level adjustable pre-cocking
  • programmable Auto firing options (Full Auto, Semi, 3-round Burst, 5-round Burst)
  • programmable Semi firing selections (Semi, Binary, AUG, Sniper)
  • convenient programming through the trigger itself
  • low-battery warning indicator
  • adapted for use with brushless motors

Quick spring change system ESA

Featuring the ESA rapid spring change system, the carbine lets you easily modify power levels to suit your game environment without the need to disassemble the gearbox or use any specialized tools. Outfitted with a M120 spring as standard, the replica delivers a muzzle velocity of 380 FPS. Also included is an M90 spring, making the model ideal for indoor skirmishes.

two Mid-Cap magazines

Included in the package are two Mid-Cap magazines, each holding a capacity of 125 BBs.

Set elements

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

Main features

  • Engineered with robust construction for long-lasting performance
  • Equipped with the Aether gearbox (v2)
  • Fitted with a Specna Arms Dark Matter High Speed 27k BLDC brushless motor
  • Features a rotating TDC Magnus Hop-Up unit
  • M-LOK modular handguard for tactical attachments
  • Integrated HAL ETU system
  • 14 mm CCW threaded barrel for accessories
  • Precision sight device included
  • Retractable buttstock for adjustable length
  • Utilizes Helium Flat Hop bucking
  • ESA rapid spring change system for easy tuning
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
Main color Black
Optics ready Yes
Fixed sighting devices Yes
Blowback No
Additional accessories included Yes
Accessory rail Yes
Hop-up Yes
Plug type Deans/T-Connect
EAN 5902543211934
Manufacturer code SPE-01-047997
Brand Specna Arms

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