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Specna Arms SA-F11 Flex Gate X-ASR Gen.2 AEG Assault Carbine - Half-Tan

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€134.33
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€134.33

Specna Arms SA-F11 Flex Gate X-ASR Gen.2 AEG Assault Carbine - Half-Tan

An electric model replicating the second generation of the Flex series assault carbine. Outfitted with a reinforced Aether gearbox and a rotating Hop-Up TDC Magnus chamber, the carbine is set up by default with the Gate X-ASR control system, enabling users to personalize the replica’s configuration.

Durable construction, carry handle, RIS rail

Constructed using a blend of damage-resistant metal, steel, and plastic, the replica features a body, front, stock, receiver extension, and pistol grip made from nylon fiber-reinforced polymer. Aluminum and ZnAl components have been utilized for the barrel, flash hider, enlarged charging handle, dummy forward assist, and controls. Elements such as the bolts, pins, ejection port, and dummy bolt are crafted from steel. Specna Arms markings along with a serial number are present on the replica. Outfitted with a 22 mm dorsal RIS rail, the model supports mounting of any optoelectronic accessory. The standard configuration includes a carrying handle with an adjustable peep sight, and the carbine is fitted with a fixed front sight.

Adjustable stock, anti-slip texture, 14 mm threaded flash hider

The adjustable SF-type stock enables users to tailor the replica’s length to suit their physique and individual preferences. Enhanced control and comfort are provided by the anti-slip texture on the pistol grip and butt plate. The flash hider is fitted to a standard 14 mm CCW thread.

Quick spring change system ESA, rotary Hop-Up chamber, precision barrel

Equipped with the quick spring change system ESA, the replica allows for swift adjustments to performance to match various game scenarios. The package includes an M90 spring, which enables lowering the initial velocity from approximately 390 FPS to around 300 FPS, optimizing the replica for CQB operations. A rotary Hop-Up chamber TDC Magnus combined with Helium Flat Hop bucking delivers superior BB spin consistency. Outfitted with a 6.03 mm precision barrel, the carbine offers enhanced accuracy during shooting.

Specna Arms Aether Gearbox

At the heart of the replica lies a V2 gearbox, built upon the Specna Arms Aether reinforced chassis (protected by European Patent number: 015044865-0001). The gearbox comes equipped with the following features:

  • mainspring release capability
  • pre-cocking as well as AoE inspection ports
  • strengthened front section
  • inspection windows for effortless priming
  • trigger adjustment capability
  • precisely positioned screw holes for optimal alignment of the chassis
  • compatibility with M140 springs

Inside the gearbox, numerous reinforced components are included, such as 8-millimeter plain bearings, steel gears, a polycarbonate piston with a full steel rack, Type 2 cylinder, along with a steel interrupter and a sealed aluminum nozzle.

Gate X-ASR electronic system

Factory-fitted with a GATE MOSFET X-ASR system, the carbine guarantees enhanced component protection, superior trigger response, and extended lifespan of both electronics and battery. Integrated diagnostic signal LEDs enable users to identify basic internal faults with ease. The replica is configured for Deans/T-Connect plug battery connectivity.

Set elements

  • Specna Arms SA-F11 Flex Gate X-ASR Gen.2 AEG Assault Rifle - Half-Tan finish
  • S-Mag Hi-Cap magazine included
  • Gate X-ASR diagnostic interface card
  • Additional M90 main spring provided
  • Small Tamiya to T-Deans conversion adapter
  • Cleaning rod included

Main features

  • Constructed from metal and plastic components
  • Equipped with a Specna Arms Aether gearbox
  • Features a rotary Hop-Up chamber TDC Magnus
  • Fitted with a Hop-Up Helium Flat Hop bucking
  • Incorporates a 14 mm CCW thread
  • Outfitted with a top RIS rail for tactical accessory mounting
  • Integrated Gate X-ASR electronic system
  • Includes a quick spring change system ESA
  • Adjustable stock for enhanced customization
  • Precision barrel for improved accuracy
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 390 fps
Accurate shot range Up to 40 m
Magazine type Hi-cap
Magazine capacity 300 6 mm caliber BBs
Gearbox Reinforced
Body Polymer
Overall length 78 cm
Weight 2475 g
Main color Half Tan
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 5902543206862
Manufacturer code SPE-01-047371
Brand Specna Arms

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