Airsoft gun SA-F04-RL FLEX™ BLDC™ Light Ops Stock HAL ETU™ Gen. 2 - black, Specna Arms, SA-F04-RL
Airsoft Gun SA-F04-RL FLEX™ BLDC™ Light Ops Stock HAL ETU™ Gen. 2 – Black (Specna Arms, SA-F04-RL) represents a modern and technologically advanced AEG platform equipped with a brushless motor and advanced HAL™ ETU Gen.2 electronics. It is designed for demanding players who require high performance, durability, and extensive customization options.

Airsoft Gun SA-F04-RL FLEX™ BLDC™ Light Ops Stock HAL ETU™ Gen. 2 – Black (Specna Arms, SA-F04-RL)
The SA-F04-RL FLEX™ BLDC™ Light Ops Stock HAL ETU™ Gen. 2 in black by Specna Arms is engineered for durability, reliability, and ergonomics suitable for intensive gameplay and competitive use. The body is made of nylon fiber-reinforced polymer, while key components such as the flash hider, outer barrel, bolt elements, fire selector, and QD mounts are metal to ensure maximum strength with low weight. The Light Ops Stock features an ergonomic design with rubber anti-slip elements and enlarged controls for fast and secure handling, while the bolt catch is fully functional. The reinforced Æther™ V2 gearbox includes a quick spring release system, inspection windows for easy AoE control, and is ready for springs up to M140 thanks to the ESA™ quick-change system that allows fast spring replacement without full disassembly. Shooting accuracy is enhanced by the TDC Magnus™ hop-up chamber combined with the Helium™ Flat Hop Eraser and a precision inner barrel with a diameter of 6.03 mm and a length of 229 mm. Internal components include 8mm slide bearings, steel gears, and a polycarbonate piston with steel teeth. Power is provided by the Specna Arms Dark Matter™ High Speed 27k brushless motor for high performance and durability. The HAL™ ETU Gen.2 electronic trigger with magnetic detection offers active brake, binary mode, five trigger sensitivity levels, six pre-cocking levels, programmable firing modes including 3 or 5 round burst, full automatic fire, multiple semi modes, and low voltage alarm. Programming is performed directly via the trigger. The replica features a 14 mm CCW thread, DEANS / T-connect power connector with included Tamiya–Deans adapter, muzzle velocity of 390 FPS, length of 75 cm, and weight of 2125 g. The package includes two 125-round S-MAG mid-cap magazines, speedloader, cleaning rod, hex key, adapter, and an additional M90 spring. Battery and charger are not included. For first use, the HAL™ system must be activated by holding the trigger in SAFE mode for approximately 5 seconds.
Features
- Nylon fiber-reinforced polymer body
- Metal critical construction parts
- Reinforced Æther™ V2 gearbox with quick spring release
- ESA™ quick-change spring system, ready for M140
- Specna Arms Dark Matter™ High Speed 27k BLDC motor
- HAL™ ETU Gen.2 with magnetic detection, active brake and programmable modes
- TDC Magnus™ hop-up chamber + Helium™ Flat Hop Eraser
- Inner barrel 6.03 mm / 229 mm
- 8mm slide bearings
- Steel gears
- Polycarbonate piston with steel teeth
- Firing modes semi, full auto, burst 3/5, binary and others via HAL™
- 2× S-MAG mid-cap 125-round magazines
- Muzzle velocity 390 FPS
- 14 mm CCW thread
- Length 75 cm
- Weight 2125 g
- DEANS / T-connect connector (Tamiya–Deans adapter included)
| Category: | Offensive guns |
|---|---|
| Weight: | 2.5 kg |
| EAN: | 5902543211897 |
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