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

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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 - Olive

The SA-F05-RL carbine from the Flex Gen. 2 series is an electric replica constructed from nylon fiber-reinforced polymer and metal parts. Outfitted with a HAL ETU control module, it enables comprehensive customization of settings according to individual preferences. The addition of the Specna Arms Dark Matter brushless BLDC motor and the ESA quick spring replacement system further enhance its capabilities. Structural components are assembled with exceptional precision, resulting in superior performance and seamless operation of all mechanisms.

body reinforced with nylon fiber

Constructed with a nylon fiber reinforced polymer, the body, receiver extension, and pistol grip ensure durability and lightweight performance. Key metal parts consist of the flash hider, outer barrel, dummy slide, ejection port cover, fire selector, bolt release button, magazine catch, QD mounts integrated into the stock, pins, and reloading lever. The proprietary Specna Arms body comes equipped with enlarged ambidextrous grips and a fully functional Bolt-Catch. Distinctive manufacturer markings and a unique serial number are also featured on the body.

RIS set, retractable stock with anti-slip recoil pad

Featuring a 22 mm RIS rail, the replica supports the attachment of a wide range of optoelectronic accessories. Out of the box, it is fitted with mechanical, adjustable flip-up sights, including both a front and a peep sight for enhanced aiming options. The standard M-LOK handguard includes three RIS rails positioned on the sides and underside, offering multiple points for mounting additional tactical gear. The Light Ops Stock, designed with a telescopic mechanism and a non-slip recoil pad, provides customizable length adjustment to suit individual preferences.

Precision barrel, rotary Hop-Up chamber

Equipped with a rotary Hop-Up TDC Magnus chamber, the model works in tandem with a 6.03 mm precision barrel to enhance both range and accuracy. Stability of the fired BBs is increased thanks to the Helium Flat Hop rubber. The standard flash hider is fitted on a 14 mm left-hand thread, allowing for easy attachment of a sound suppressor as an alternative.

Reinforced Ather gearbox

At the heart of the replica lies the Aether gearbox with a reinforced framework, enabling BBs to be shot at a velocity of 380 FPS. Outfitted with:

  • a main spring release system
  • inspection ports for pre-cocking and AoE adjustment
  • reinforced front end
  • extra inspection holes for hassle-free shimming
  • trigger adjustment capabilities
  • mounting points to ensure precise framework alignment
  • support for M140 springs

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

HAL ETU module

Featuring a HAL ETU trigger control system, the model provides comprehensive support for replica operation, enabling straightforward programming of various functions via the trigger and selector. The HAL system delivers multiple options, allowing seamless customization to suit individual preferences and enhanced safety during use, such as:

  • trigger recognition utilizing magnetic sensors and the Hall effect
  • active braking
  • binary trigger capability
  • five-level adjustable trigger sensitivity (ranging from 20 to 100%)
  • six-level adjustable pre-cocking
  • programmable Auto firing modes, including Full Auto, Semi, 3-round Burst, and 5-round Burst
  • programmable Semi firing modes—Semi, Binary, AUG, and Sniper settings
  • user-friendly programming performed directly through the trigger
  • low battery warning system
  • compatibility with brushless motors

Quick spring change system ESA

Outfitted with the ESA quick spring replacement system, the carbine enables rapid adjustment of power to match game requirements, eliminating the need to dismantle the gearbox or utilize specialized tools. Factory settings include a M120 spring for a muzzle velocity of 380 FPS, while an additional M90 spring is provided, making the replica ideal for indoor skirmishes.

two Mid-Cap magazines

Set contains 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 - Olive
  • 2 x S-MAG Mid-Cap Magazines
  • Cleansing Rod
  • Allen Wrench
  • Small Tamiya to T-Deans Adapter
  • BB Speedloader
  • Extra M90 Spring

Main features

  • Robust build quality
  • Aether v2 gearbox for enhanced performance
  • Equipped with the Specna Arms Dark Matter High Speed 27k brushless BLDC motor
  • Features a rotating TDC Magnus Hop-Up chamber for superior accuracy
  • Front rail system designed in the M-LOK standard
  • Integrated HAL ETU system for advanced electronic trigger control
  • Includes a 14 mm CCW threaded barrel
  • Comes with a reliable sighting device
  • Fitted with a retractable stock for adjustable length
  • Utilizes Helium Flat Hop rubber for optimal BB stability
  • Features the ESA quick spring change system for efficient maintenance
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 Olive
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 5902543211958
Manufacturer code SPE-01-047999
Brand Specna Arms

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