Specna Arms SA-F01 FLEX Gen.2 HAL ETU
Specna Arms SA-F01 FLEX™ Gen.2 HAL ETU™ Airsoft Carbine – Black
The Specna Arms SA-F01 FLEX™ Gen.2 HAL ETU™ is a lightweight and highly versatile M4 AEG airsoft rifle, designed for players seeking performance, reliability, and advanced electronics at an excellent price point. Built on the upgraded FLEX™ Gen.2 platform, this rifle is ideal for CQB and fast-paced gameplay.
HAL™ ETU – Advanced Trigger Control
The integrated HAL™ Electronic Trigger Unit uses magnetic sensor technology for precise and reliable trigger detection, even in demanding conditions.
- Adjustable trigger sensitivity (5 levels)
- Binary trigger mode
- Programmable fire modes: Semi, Burst, Full Auto
- Adjustable pre-cocking (6 levels)
- Active brake system
- Low battery warning
- Compatible with brushless motors
Note: AUTO mode starts with a 3-round burst before switching to full-auto fire.
FLEX™ Gen.2 – Lightweight & Durable
The rifle features a nylon fibre-reinforced polymer body, ensuring excellent durability while keeping weight low. Metal components reinforce critical areas for long-term reliability.
- Ultra-lightweight design (only 2170g)
- Durable polymer receiver with reinforced structure
- SF adjustable stock
- Ergonomic pistol grip
- RIS rail system for accessories
Upgraded Internal System
The SA-F01 is equipped with modern internal solutions that enhance accuracy and consistency:
- Magnus™ TDC rotary Hop-Up chamber
- Helium™ Flat Hop bucking
- 6.03 mm precision inner barrel
- Æther™ reinforced Gearbox (V2)
- Steel gears & polycarbonate piston with steel teeth
- Aluminium sealed nozzle
ESA™ Quick Spring Change System
The ESA™ system allows rapid and tool-free spring changes, making it easy to adjust the rifle’s power for CQB or outdoor environments. The gearbox is ready for springs up to M140.
Field Performance
With a 235 mm inner barrel and approximately 390 FPS, this rifle offers excellent balance between power and maneuverability. Its compact size makes it perfect for close-quarters combat and dynamic gameplay.
Ergonomics & Versatility
The adjustable SF stock and lightweight construction provide comfort during long sessions, while the RIS rail allows mounting optics and accessories for a fully customized setup.
Explore more in our airsoft rifles collection or upgrade your loadout with tactical gear. Discover more from Specna Arms.
Key Features
- FLEX™ Gen.2 lightweight platform
- HAL™ programmable ETU system
- Magnus™ TDC Hop-Up chamber
- Helium™ Flat Hop system
- Æther™ reinforced gearbox
- ESA™ quick spring change system
Package Includes
- Specna Arms SA-F01 FLEX™ Gen.2 replica
- S-MAG hi-cap magazine (300 BBs)
- Cleaning rod
- Allen key
- Deans adapter
- M90 additional spring
Note: Battery and charger are not included. To activate the HAL™ module, hold the trigger in SAFE mode for 5 seconds after connecting the battery.
| Brand | Specna Arms |
| Model | SA-F01 FLEX™ Gen.2 HAL |
| Type | Electric Airsoft Rifle (AEG) |
| Material | Polymer, Aluminum, Steel |
| Length | 65 – 74 cm |
| Weight | 2170 g |
| Muzzle Velocity | ~390 FPS |
| Inner Barrel | 235 mm (6.03 mm precision) |
| Gearbox | V2 Æther™ |
| Bearings | 8 mm |
| Hop-Up | Rotary TDC Magnus™ |
| Fire Modes | Semi, Burst, Full Auto |
| ETU | HAL™ |
| Spring System | ESA™ Quick Change |
| Thread | 14mm CCW |
| Connector | Deans (T-Plug) |
| Magazine Capacity | 300 BBs |
| Color | Black |
Original: $212.62
-70%$212.62
$63.79Product Information
Product Information
Shipping & Returns
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Description
Specna Arms SA-F01 FLEX™ Gen.2 HAL ETU™ Airsoft Carbine – Black
The Specna Arms SA-F01 FLEX™ Gen.2 HAL ETU™ is a lightweight and highly versatile M4 AEG airsoft rifle, designed for players seeking performance, reliability, and advanced electronics at an excellent price point. Built on the upgraded FLEX™ Gen.2 platform, this rifle is ideal for CQB and fast-paced gameplay.
HAL™ ETU – Advanced Trigger Control
The integrated HAL™ Electronic Trigger Unit uses magnetic sensor technology for precise and reliable trigger detection, even in demanding conditions.
- Adjustable trigger sensitivity (5 levels)
- Binary trigger mode
- Programmable fire modes: Semi, Burst, Full Auto
- Adjustable pre-cocking (6 levels)
- Active brake system
- Low battery warning
- Compatible with brushless motors
Note: AUTO mode starts with a 3-round burst before switching to full-auto fire.
FLEX™ Gen.2 – Lightweight & Durable
The rifle features a nylon fibre-reinforced polymer body, ensuring excellent durability while keeping weight low. Metal components reinforce critical areas for long-term reliability.
- Ultra-lightweight design (only 2170g)
- Durable polymer receiver with reinforced structure
- SF adjustable stock
- Ergonomic pistol grip
- RIS rail system for accessories
Upgraded Internal System
The SA-F01 is equipped with modern internal solutions that enhance accuracy and consistency:
- Magnus™ TDC rotary Hop-Up chamber
- Helium™ Flat Hop bucking
- 6.03 mm precision inner barrel
- Æther™ reinforced Gearbox (V2)
- Steel gears & polycarbonate piston with steel teeth
- Aluminium sealed nozzle
ESA™ Quick Spring Change System
The ESA™ system allows rapid and tool-free spring changes, making it easy to adjust the rifle’s power for CQB or outdoor environments. The gearbox is ready for springs up to M140.
Field Performance
With a 235 mm inner barrel and approximately 390 FPS, this rifle offers excellent balance between power and maneuverability. Its compact size makes it perfect for close-quarters combat and dynamic gameplay.
Ergonomics & Versatility
The adjustable SF stock and lightweight construction provide comfort during long sessions, while the RIS rail allows mounting optics and accessories for a fully customized setup.
Explore more in our airsoft rifles collection or upgrade your loadout with tactical gear. Discover more from Specna Arms.
Key Features
- FLEX™ Gen.2 lightweight platform
- HAL™ programmable ETU system
- Magnus™ TDC Hop-Up chamber
- Helium™ Flat Hop system
- Æther™ reinforced gearbox
- ESA™ quick spring change system
Package Includes
- Specna Arms SA-F01 FLEX™ Gen.2 replica
- S-MAG hi-cap magazine (300 BBs)
- Cleaning rod
- Allen key
- Deans adapter
- M90 additional spring
Note: Battery and charger are not included. To activate the HAL™ module, hold the trigger in SAFE mode for 5 seconds after connecting the battery.
| Brand | Specna Arms |
| Model | SA-F01 FLEX™ Gen.2 HAL |
| Type | Electric Airsoft Rifle (AEG) |
| Material | Polymer, Aluminum, Steel |
| Length | 65 – 74 cm |
| Weight | 2170 g |
| Muzzle Velocity | ~390 FPS |
| Inner Barrel | 235 mm (6.03 mm precision) |
| Gearbox | V2 Æther™ |
| Bearings | 8 mm |
| Hop-Up | Rotary TDC Magnus™ |
| Fire Modes | Semi, Burst, Full Auto |
| ETU | HAL™ |
| Spring System | ESA™ Quick Change |
| Thread | 14mm CCW |
| Connector | Deans (T-Plug) |
| Magazine Capacity | 300 BBs |
| Color | Black |
