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

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€170.07

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

The electric replica of the SA-F05 carbine, presented in black, comes from the Flex Gen. 2 series and has undergone redesigning to deliver enhanced performance in its factory configuration. Outfitted with an ESA quick spring replacement system and a HAL ETU control module, the replica can be tailored precisely to the operator’s requirements. A Light Ops stock is also featured in this model. Structural components have been assembled with exceptional precision, ensuring seamless operation and outstanding performance.

Exclusive nylon fiber reinforced receiver

Constructed from polymer reinforced with nylon fiber, the body, receiver extension equipped with an SF-type battery compartment, and the pistol grip present enhanced durability. Components such as the flash hider, outer barrel, mock slide, ejection port cover, fire selector, slide release lever, magazine catch, QD mounts on the stock, pins, and charging handle are manufactured from metal. The proprietary Specna Arms receiver is outfitted with ambidextrous, enlarged controls and a fully operational bolt catch.

RIS rail set, sliding stock with non-slip recoil pad

Fitted at the rear, a 22 mm RIS rail enables the attachment of any optoelectronic accessory. The front section incorporates the M-LOK system along with three 22 mm RIS rails, making it possible to add extra tactical gear. Standard configuration features mechanical flip-up sights.

The Light Ops Stock folding stock features a non-slip butt plate, providing adjustment of the replica’s length to suit the user’s individual preferences.

Precision barrel, rotary Hop-Up chamber

Equipped with a rotating TDC Magnus Hop-Up chamber, paired with a 6.03 mm precision barrel, the model delivers enhanced range and accuracy. Added stability for shot BBs is provided by the Helium Flat Hop rubber. A standard flash hider is installed on a 14 mm left-hand thread, making it compatible with attaching a sound suppressor.

Reinforced Ather gearbox

At the heart of the replica is the Aether gearbox with a reinforced frame, enabling the model to deliver BBs at a velocity of 380 FPS. Outfitted with:

  • main spring release mechanism
  • pre-cocking capability and AoE inspection ports
  • reinforced front section
  • inspection ports for convenient shimming
  • trigger tuning feature
  • screw holes for precise framework alignment
  • compatibility with M140 springs

HAL ETU Module

The replica incorporates a HAL ETU trigger control system, designed to enhance its functionality and enable straightforward programming of various features through the trigger and selector. The HAL system delivers a comprehensive set of options to tailor the replica to individual shooter requirements and ensure operational safety, including:

  • trigger detection utilizing magnetic sensors and the Hall effect
  • active braking function
  • binary trigger capability
  • adjustable trigger sensitivity across 5 levels ranging from 20% to 100%
  • pre-cocking adjustment available in 6 settings
  • programmable Auto fire modes, featuring Full Auto, Semi, 3-round Burst, and 5-round Burst options
  • programmable Semi fire modes, including Semi, Binary, AUG, and Sniper settings
  • user-friendly programming via the trigger
  • low battery warning system
  • supports compatibility with brushless motors

Quick spring change system ESA

Featuring the ESA quick spring change system, the carbine enables rapid power adjustment to match game requirements without the need to disassemble the gearbox or use specialized tools. Out of the box, the replica comes with a spring set to deliver 390 FPS muzzle velocity, and also includes an M90 spring for lowering the velocity to 310 FPS. Full compatibility with Li-Po and Li-Fe batteries is provided.

Set elements

  • replica
  • S-Mag Hi-Cap magazine
  • Deans to Small Tamiya adapter
  • cleaning rod
  • hex key
  • spare M90 spring

Main features

  • M-LOK handguard equipped with RIS rails
  • Ambidextrous manipulators
  • Light Ops Stock for enhanced mobility
  • Durable, original Specna Arms receiver
  • 6.03 mm precision inner barrel for improved accuracy
  • Adjustable rotary Hop-Up unit
  • Reinforced Athe gearbox for increased reliability
  • Hal ETU electronic trigger unit
  • Quick-change ESA spring replacement system
  • Integrated mechanical sights

Technical data

Shade: Black
Composition: plastic, metal
Power source: electric
Gearbox version: v2
Muzzle velocity: 380 FPS
Hop-Up system: present, adjustable
Magazine style: Hi-Cap
Magazine capacity: 300 BBs
Length of inner barrel: 320 mm
Thread type on barrel: 14 mm CCW
Overall length: 760 - 850 mm
Weight: 2270 g
Connector type: DEANS / T-connect
Produced by: Specna Arms

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 Hi-cap
Magazine capacity 300 6 mm caliber BBs
Gearbox Reinforced
Body Plastic
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, adjustable
Plug type Deans/T-Connect
EAN 5902543207289
Manufacturer code SPE-01-047445
Brand Specna Arms

Reviews with photos

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Number of reviews: 1

  1. V...
    100%

    Super, very wonderful rifle, the materials are top-notch, I had another model flex 03, but in this model the pistol grip is much more comfortable, nice design, cool new stock, you can remove the RIS rails which is very convenient, shooting is just excellent, I recommend!

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