Specna Arms RRA SA-E24 EDGE™ HAL² ETU Gen. 2 — Airsoft Carbine (Black)
Precision. Intelligence. Power.
The Specna Arms RRA SA-E24 EDGE™ HAL² ETU Gen. 2 combines
Rock River Arms® licensed design with cutting-edge electronics and performance.
Built for reliability, customization, and tactical control, this rifle represents the evolution of the
EDGE™ Gen. 2 line — combining engineering excellence with smart ETU technology.
EDGE™ Gen. 2 — enhanced for modern gameplay
- 6.03 mm precision inner barrel for improved shot accuracy
- Metal outer barrel with Nano Coating for superior scratch resistance
- Helium™ Flat Hop Eraser for consistent BB flight path
- Rotating MAGNUS™ TDC Hop-Up chamber (Top Down Center system)
- Sealed aluminium nozzle for efficient air compression
-
ÆTHER™ Gearbox shell (EU Patent No. 015044865-0001), featuring:
- Anti-reversal release window
- Pre-cocking & AoE inspection ports
- Reinforced stress zones
- Motor pinion & trigger inspection windows
- Frame alignment screw mounts
HAL²™ — next-generation Bluetooth® ETU system
The HAL²™ electronic trigger unit uses Hall effect sensors to deliver
up to 500 trigger sensitivity levels, offering lightning-fast response and ultimate precision.
Immune to dirt and ambient light, the system ensures reliable operation in any environment.
With integrated Bluetooth® Low Energy, it connects to your smartphone via the
Specna Link™ app (Android / iOS) — providing total digital control and telemetry.
- Trigger sensitivity & pre-cocking adjustment
- Fire modes: SEMI, BINARY, BURST, AUTO (configurable per selector position)
- Adjustable burst length & rate of fire
- Battery protection (LiPo/Li-Ion)
- Magazine simulation & telemetry functions
- Battery charge level display
- Multiple user profiles and setups
- Real-time performance monitoring
Rock River Arms® licensed body
This model features officially licensed Rock River Arms® markings —
replicating the look and feel of RRA’s renowned AR-15 carbines used by U.S. law enforcement.
The RRA Lightweight Free Float Rail in M-LOK standard ensures modularity for tactical attachments,
while the extendable stock and ergonomic design offer stability and comfort.
- Full metal receiver with RRA trademarks and serial number
- RRA® M-LOK handguard with lightweight free-float design
- Top RIS rail compatible with optics & accessories
- Folding polymer sights included
- Textured adjustable buttstock with battery compartment
- QD pistol grip for tool-free motor access
- Ambidextrous sling points
- Custom muzzle device with 14 mm CCW thread
ESA™ Quick Spring Change system
The ESA™ system allows for rapid spring changes without disassembling the gearbox.
Simply unscrew the stock guide to access the spring — ideal for adjusting FPS between field and CQB limits.
Includes an M90 spring for lower velocity settings.
Internal configuration
- Polymer piston with full steel teeth
- Bearing-mounted polymer spring guide
- Sealed polymer piston head with bearing
- Aluminium cylinder & double-sealed cylinder head
- Set of reinforced steel gears
What’s included
- Specna Arms RRA SA-E24 EDGE™ HAL² ETU Gen. 2 replica (Black)
- 2 × S-MAG mid-cap magazines (125 rds)
- M90 additional spring
- Angled forward grip
- Cleaning rod
- Small Tamiya → DEANS adapter
- BB speedloader
Note: Battery and charger not included.
Compatible with DEANS / T-Connect LiPo or Li-Ion batteries.
View compatible products here:
/collections/batteries-and-chargers.
Performance in the field
With a 375 mm precision barrel and reinforced ÆTHER™ gearbox,
the SA-E24 EDGE™ HAL² offers exceptional precision and power (~390 FPS).
Lightweight yet solid, it’s ideal for players seeking balance between realism, control, and modern smart features.
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Technical specifications
| Specification |
Value |
| Model |
Specna Arms RRA SA-E24 EDGE™ HAL² ETU Gen. 2 |
| Power supply |
Electric (LiPo / Li-Ion) — DEANS / T-Connect |
| Colour |
Black |
| Gearbox |
Version 2 — ÆTHER™ reinforced frame |
| Inner barrel |
6.03 mm / 375 mm |
| Muzzle velocity |
~390 FPS |
| Fire modes |
Semi, Full-auto, Burst (adjustable), Binary (via HAL²) |
| Quick Spring Change |
ESA™ system |
| Magazine capacity |
125 rounds (mid-cap) |
| Included magazines |
2 × S-MAG mid-cap |
| Thread |
14mm CCW |
| Length |
890 mm |
| Minimal length |
800 mm |
| Weight |
~2700 g |
| Body material |
Metal receiver; polymer stock, grip & sights |
| Markings |
Rock River Arms® licensed trademarks |
Smart. Solid. Professional.
The RRA SA-E24 EDGE™ HAL² Gen. 2 is built for modern airsoft enthusiasts —
combining real firearm aesthetics with advanced ETU control, ready for high-level field performance.
Meta: Specna Arms RRA SA-E24 EDGE™ HAL² ETU Gen.2 Black — Rock River Arms licensed M-LOK airsoft rifle
with HAL² Bluetooth trigger, ESA spring system & ÆTHER gearbox.
Tags: Specna Arms, RRA, SA-E24, EDGE Gen2, HAL² ETU, M-LOK, ESA system,
AETHER gearbox, Rock River Arms, airsoft carbine, DEANS plug