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Specna Arms SA-FX01 Flex Gate X-ASR Gen.2 AEG Assault Carbine - Half-Tan

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€153.54
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€153.54

Specna Arms SA-FX01 Flex Gate X-ASR Gen.2 AEG Assault Carbine - Half-Tan

An electric replica modeled after the second-generation Flex series assault carbine. Outfitted with a reinforced Aether gearbox and a rotary TDC Magnus Hop-Up chamber, the replica ensures enhanced performance. Out of the box, the carbine is fitted with a Gate X-ASR control system, providing options for customization to meet the user's preferences.

Durable construction

The outer barrel, flash hider, charging handle, and controls are constructed from metal. All screws, pins, the ejection port, and the mock bolt utilize steel components. The main body, handguard, pistol grip, and stock with receiver extension are crafted from nylon fiber-reinforced polymer. The replica features Specna Arms markings and a unique serial number.

RIS rails, Light Ops Stock

The 22 mm RIS rail supports the attachment of various optoelectronic accessories. Standard configuration includes mechanical flip-up sighting systems featuring a front and a peep sight. Additional tactical gear may be installed using a free-float front grip equipped with short RIS rails.

With the adjustable Light Ops stock, the length of the replica can be tailored to fit the user’s physique and preferences. Both the pistol grip and the butt plate feature a non-slip texture. A flash hider secured onto a standard 14 mm left-hand thread is also included.

Specna Arms Aether gearbox and its components

Equipped with a rotating Hop-Up TDC Magnus (Top Down Center) chamber and Helium rubber, the model enables accurate and consistent adjustment. A precision barrel with a 6.03 mm inner diameter and a polycarbonate piston featuring a full steel rack are included. The internal mechanism operates on 8 mm slide bearings.

At the heart of the replica is the Specna Arms Aether gearbox, delivering BB muzzle velocity of approximately 360 FPS. All installed components are compatible with M140 springs. Designed for use with both Li-Po and LiFe batteries, the replica utilizes a DEANS / T-connect plug.

Features include:

  • AntiReversal inspection window
  • Windows for pre-cocking and AoE checks
  • Reinforced structure in high-stress zones
  • Motor gear access window
  • Trigger adjustability feature
  • Framework alignment holes

The carbine integrates a MOSFET X-ASR system developed by the Polish brand Gate. The replica is configured for battery connection via a Deans/T-Connect plug.

ESA quick spring change system

Equipped with the ESA quick spring change system, the replica enables rapid performance adjustments tailored to different styles of gameplay. The set includes an M90 spring, which lowers the factory initial velocity of 360 FPS to approximately 300 FPS, making the replica suitable for CQB scenarios.

Set elements

  • Specna Arms SA-FX01 Flex Gate X-ASR Gen.2 AEG Assault Carbine - Black
  • magazine
  • adapter from small Tamiya to T-Deans
  • cleaning rod
  • extra spring

Main features

  • Constructed with a nylon fiber body
  • Equipped with aluminium mechanical components
  • Features steel accents
  • Outfitted with a Free Float handguard utilizing the M-LOK system
  • Integrated top RIS rail
  • Fitted with a Light Ops Stock
  • Includes a rotating Hop-Up chamber
  • Precision 6.03 mm inner barrel
  • Utilizes a polycarbonate piston with a full steel rack
  • Features 8 mm slide bearings
  • Incorporates the ESA quick spring change system
  • Enhanced by the HAL ETU control 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 360 fps
Accurate shot range Up to 30 m
Magazine type Hi-cap
Magazine capacity 275
Gearbox Reinforced
Body Polymer
Overall length 760 mm
Weight 2000 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 5902543206947
Manufacturer code SPE-01-047379
Brand Specna Arms

Reviews with photos

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Number of reviews: 1

  1. M...
    100%

    A really cool air rifle for less than 1000 PLN. Everything works, I've had it for almost a year and haven't encountered any issues. It shoots far and accurately, you can add a tracer and anything that's good for a 22mm RIS rail.

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