The Specna Arms FLEX Gen. 2 series combines lightweight fibre-reinforced polymer construction with updated internals and programmable electronics. The SA-F05-RL FLEX BLDC HAL ETU Gen. 2 has a light-ops stock, an M-LOK-compatible handguard, a functional bolt catch and a 14 mm CCW outer-barrel thread for a suppressor or tracer unit.
Key features
- 6.03 mm steel precision inner barrel
- Patented Magnus TDC rotary hop-up chamber
- Helium Flat Hop bucking for heavier BBs
- ESA quick-change spring system
- Specna Arms HAL ETU Gen. 2 with magnetic trigger sensors and programmable functions
- Dark Matter High Speed 27k brushless motor
- Æther Gearbox with spring release, pre-cocking and AoE inspection openings
- Fibre-reinforced polymer receiver
- Nano Coating surface finish
- Individual serial number and authenticity hologram
Æther Gearbox components
- Reinforced polymer piston with steel teeth
- Aluminium cylinder head and nozzle
- Steel cylinder
- Ball-bearing spring guide
- 16:1 CNC steel gears
- 8 mm J-Cage ball bearings for the motor and sector gear, and 8 mm bushings for the spur gear
- Mancraft trigger
- Dark Matter 27k brushless motor
- Factory-installed HAL ETU module
- Improved ESA2 quick-change spring system
- Protected by European patent 015044865-0001
HAL ETU functions
- Hall-effect magnetic trigger detection
- Active brake
- Binary trigger
- Trigger sensitivity adjustment: five levels, 20–100%
- Pre-cocking adjustment: six levels
- AUTO-mode programming: full auto, semi, three-round burst or five-round burst
- SEMI-mode programming: semi, binary, AUG or sniper mode
- Trigger-based programming
- Low-battery warning
Package contents
- Specna Arms SA-F05-RL FLEX BLDC HAL ETU Gen. 2 light-ops AEG
- 2 × S-MAG mid-cap magazines
- Magazine loader
- Cleaning rod
- M90 spring
- M120 spring, installed
- Mini-Tamiya battery adapter; the replica has a Deans connector
HAL trigger calibration before use
- Set the fire selector to SAFE.
- Connect the battery.
- Wait three seconds until the replica beeps.
- Hold the trigger down for five seconds until the replica beeps. The trigger is now calibrated.
HAL manual in Finnish
HAL manual in English
Technical specifications
- Model: Specna Arms SA-F05-RL FLEX BLDC HAL ETU Gen. 2
- Manufacturer: Specna Arms
- Muzzle energy: approximately 0.90 J / 1.6 J
- Muzzle velocity with 0.20 g BBs: approximately 95 / 125 m/s
- Receiver: polymer
- Magazine: 125-round mid-cap
- Gearbox: V2
- Hop-up: adjustable Magnus TDC hop-up unit
- Blowback: no
- Length: 760 / 850 mm
- Inner-barrel length: 320 mm
- Weight: 2,270 g
- Power source: electric
- Compatible battery: Titan Power 7.4 V 3,000 mAh stick battery with Deans connector
- Motor type: long
- Firing modes: programmable
Battery and charger are sold separately.