Description
The SA-FX02 FLEX Gen2 HAL ETU, a lightweight replica optimized for CQB and powered by the HAL MOSFET
The SA-FX02 FLEX Gen.2 AEG airsoft replica was developed to offer a comprehensive and accessible user experience, with an emphasis on out-of-the-box performance, ease of use, and versatility. Specna Arms positions the FLEX Gen.2 line as a particularly appealing series for beginners, thanks to an attractive price combined with a quick-spring-change system and the use of reinforced materials. The brand’s goal is clear: to offer a replica that’s ready to play right out of the box, capable of keeping up on the field and proving useful in as many airsoft scenarios and games as possible.
In terms of external design, the SA-FX02 stands out for its choice of materials focused on lightness without sacrificing durability. That’s why the outer barrel, Light Ops stock, and pistol grip are made of nylon-fiber-reinforced polymer, keeping the weight down. Aluminum and zinc are used for certain key components—such as the barrel, the amplifier, and the cocking lever—to ensure greater durability over time for parts under heavy stress.
The Light Ops version is designed for players who prioritize mobility. The stock features a minimalist, modern design and reduced weight, while incorporating non-slip rubber pads on the cheek rests and buttpad to allow the replica to rest comfortably against the shoulder.
Internally, the SA-FX02 Gen2 relies on components engineered for consistency and accuracy. The TDC Magnus™ rotary hop-up chamber (TDC = Top Down Center) is designed to allow for stable and precise adjustment—a key factor in maintaining a consistent trajectory, especially when playing outdoors or with BBs of different weights. It is complemented by a Helium™ Flat Hop Eraser, designed to improve BB stability by maintaining more consistent support. The 6.03 mm precision inner barrel rounds out this configuration, aiming for a straighter trajectory.
The internals are based on the Æther™ gearbox with a reinforced frame, compatible with springs up to M140, which provides this replica with good upgrade potential. It also features 8 mm bearings, steel gears, and a polycarbonate piston with metal teeth, capable of withstanding regular use while maintaining good cycle stability.
At the heart of the customization is the HAL™ ETU, which uses magnetic detection (Hall effect). The benefit is a more responsive trigger pull and simple programming via the trigger, with features such as active brake, binary mode, 5-level adjustable sensitivity, 6-level adjustable pre-cocking, and programmable firing modes in AUTO and SEMI. A low-battery alert is built-in to ensure safe use, and the announced compatibility with brushless motors offers attractive upgrade potential.
The SA-FX02 features the ESA™ quick-spring-change system, a real advantage for quickly adjusting power to match field rules or your needs. It is a lightweight, high-performance replica designed for dynamic play styles.
Important Information Regarding the SA-FX02 FLEX Gen2 HAL ETU
The first time you use it, after connecting the battery to your replica, you will hear the HAL ETU™ system’s beep.
After hearing it, hold the trigger in SAFE mode for about 5 to 10 seconds to activate the module and begin using your replica.
Frequently Asked Questions (FAQ)
- How do I maintain my SA-FX02 Gen2 FLEX HAL ETU Specna Arms AEG replica?
For regular maintenance of your SA-FX02 Gen2 FLEX HAL ETU Specna Arms AEG replica, you can clean the inside of the barrel with a piece of paper towel at the end of a cleaning/cleaning rod.
A simple wipe with a dry or slightly dampened microfiber is all it takes to clean the outside of the replica.
- Which battery should I use with the SA-FX02 Gen2 FLEX HAL ETU Specna Arms AEG replica?
The stock tube of the SA-FX02 Gen2 FLEX HAL ETU Specna Arms AEG replica supports an 11.1V LiPo battery with T-dean connectivity in single or double stick versions.
- Which bbs should I use with the SA-FX02 Gen2 FLEX HAL ETU Specna Arms AEG replica?
We recommend using high-quality 0.25g bbs with this SA-FX02 Gen2 FLEX HAL ETU Specna Arms AEG replica.
- How to store your SA-FX02 Gen2 FLEX HAL ETU Specna Arms AEG replica?
Store your SA-FX02 Gen2 FLEX HAL ETU Specna Arms AEG replica in a dry, ventilated area to prevent wear and corrosion.
We also recommend storing your battery in a protective LiPo bag.
Product content
1 x Replica SA-FX02 Gen2 FLEX HAL ETU Specna Arms AEG
1 x Hi-cap 250-bbs S-Mag magazine
1 x Additional M90 spring
1 x T-Dean / Mini Tamiya adapter
Features
- Replicas
- Caliber 6 mm
- Propulsion AEG (11.1v LiPo Battery stick not included)
- Battery slot Stock Tube
- Connections T-Dean
- Wiring Rear
- Shooting mode Programmable : Safe / Semi / Auto / 2rd Burst / 3rd Burst / Binary / AUG / Sniper
- Energy 1.1 Joules
- Speed 344 FPS
- Minimum Length 755 mm
- Maximum Length 840 mm
- Weight 2140 g
- Internal barrel length 320 mm
- Internal barrel diameter 6.03 mm
- No screws 14 mm CCW
- Integrated tactical rail M-LOK / Picatinny
- Charger 1 x Hi-Cap 250 bbs
- How it works Adjustable Hop Up
- Quick spring change Yes (ESA™)
- Gearbox Version V2 Æther™
- Integrated mosfet Yes (HAL)
- Gears Steel
- Body Polymer
- Brand Specna Arms
Warning message
Important note concerning the use of this product : This product is a replica weapon intended for recreational use (role-playing games) known as "airsoft", the sale of which is prohibited to minors (under 18 years of age). By adding this product to your basket, you acknowledge that you are over 18 and that you are familiar with the basic safety rules for using this type of replica (wearing protective glasses and/or mask, suitable location, etc.).
Please note that the power ratings given for airsoft replicas may vary depending on supplier availability. We invite you to contact us for more details before your purchase in order to have a more precise measurement carried out by us. Consequently, OPS-Store cannot be held responsible for any discrepancies between supplier data and actual measurements.
