The Specna Arms SA-FX01 FLEX™ Gen.2 GATE X-ASR is a compact M4/AR15-style AEG engineered for players who demand modern features, lightweight handling, and outstanding reliability straight out of the box.
As part of the latest FLEX™ Gen.2 series, this rifle introduces a host of performance upgrades, including the advanced GATE X-ASR MOSFET, the innovative ESA™ Quick Spring Change System, and the patented Magnus™ TDC Rotary Hop-Up Chamber for exceptional accuracy and consistency.
Built with a durable nylon fibre-reinforced polymer receiver and high-quality metal components, the SA-FX01 offers an excellent balance of strength and weight, making it ideal for fast-paced CQB games while remaining capable of medium-range engagements.
Its modern M-LOK handguard, precision inner barrel, and compact Light Ops adjustable stock make this rifle an excellent choice for beginners and experienced players looking for a highly adaptable platform.
🔧 Technical Specifications
| Specification |
Details |
| Manufacturer |
Specna Arms |
| Model |
SA-FX01 FLEX™ Gen.2 |
| Platform |
M4 / AR15 |
| Power Source |
Electric (AEG) |
| Gearbox |
Version 2 (Ather™ Gearbox) |
| MOSFET |
GATE X-ASR |
| Fire Modes |
Semi-Automatic / Full-Automatic |
| Muzzle Velocity |
Approx. 360 FPS |
| Inner Barrel |
6.03 mm Precision Barrel |
| Inner Barrel Length |
235 mm |
| Magazine Capacity |
275 BBs |
| Included Magazine |
S-Mag Hi-Cap |
| Length |
670–760 mm (Adjustable) |
| Weight |
2,000 g |
| Hop-Up |
Magnus™ TDC Rotary Chamber |
| Quick Spring Change |
ESA™ System |
| Barrel Thread |
14 mm CCW |
| Battery Connector |
Deans (T-Connector) |
| Battery Included |
No |
✨ Premium Features
- Advanced GATE X-ASR MOSFET pre-installed
-
ESA™ Quick Spring Change system
-
Magnus™ TDC Rotary Hop-Up Chamber for highly precise adjustment
-
Helium™ Flat Hop Bucking for improved BB stability
- Reinforced Ather™ V2 Gearbox
- 6.03 mm precision inner barrel
- Reinforced aluminum air nozzle
- 8 mm steel bushings
- Lightweight nylon fibre-reinforced polymer receiver
- M-LOK handguard for accessory mounting
- Adjustable Light Ops stock
- 14 mm CCW threaded barrel
- Fully compatible with LiPo and LiFe batteries
⚙️ Internal Performance
The upgraded Ather™ Gearbox includes several premium enhancements:
- Reinforced gearbox shell
- Main spring release function
- Trigger adjustment
- Pre-cocking inspection window
- Angle of Engagement (AoE) inspection window
- Reinforced front section
- Ready for springs up to M140
- Precision aluminum sealed nozzle
- Polycarbonate piston with full steel tooth rack
Together with the GATE X-ASR MOSFET, these components deliver:
- Faster trigger response
- Increased electrical efficiency
- Battery protection
- Enhanced gearbox longevity
- Built-in diagnostic LED system
🎯 Accuracy & Handling
The patented Magnus™ TDC Hop-Up Chamber allows top-down pressure adjustment, providing more stable and repeatable hop-up tuning than traditional rotary systems.
Combined with the Helium™ Flat Hop Bucking and 6.03 mm precision barrel, the rifle delivers:
- Improved shot consistency
- Better BB trajectory
- Increased effective range
- Enhanced overall accuracy
The compact dimensions and lightweight construction make the SA-FX01 particularly effective in CQB while remaining capable outdoors.
📦 Included in the Box
- Specna Arms SA-FX01 FLEX™ Gen.2 Rifle
- S-Mag Hi-Cap Magazine (275 BBs)
- GATE X-ASR Diagnostic Card
- Cleaning Rod
- Small Tamiya to Deans Adapter
- Additional M90 Spring
Note: Battery and charger are not included.
🔧 Recommended Accessories
Compatible upgrades and accessories include:
- 7.4V or 11.1V LiPo Batteries (Deans)
- LiPo Smart Charger
- M4 Mid-Cap Magazines
- Red Dot Sight
- Tactical Flashlight
- Vertical Grip
- 14 mm CCW Suppressor or Tracer Unit
⭐ Why You'll Love It
- Factory-installed GATE X-ASR MOSFET
- Premium FLEX™ Gen.2 internal upgrades
- Lightweight yet durable construction
- Exceptional trigger response
- Accurate Magnus™ TDC Hop-Up system
- Quick spring change for easy FPS adjustment
- Excellent CQB and field performance
- Ready for future upgrades
🏆 Player's Choice
The Specna Arms SA-FX01 FLEX™ Gen.2 offers premium features typically found on much more expensive rifles. With its reinforced gearbox, GATE electronics, precision barrel, and lightweight construction, it's an outstanding all-round AEG for players seeking reliability, performance, and modern customization options.
⚫ GATE X-ASR • FLEX™ Gen.2 • Built for Performance ⚫
