Specna Arms RRA SA-E25 EDGE™ HAL²™ ETU Gen. 2 — Airsoft Carbine (Chaos Bronze)
Performance. Precision. Professional quality.
The Specna Arms RRA SA-E25 EDGE™ HAL²™ ETU Gen. 2 combines licensed Rock River Arms® design with the cutting-edge HAL²™ electronic trigger system and the proven ÆTHER™ reinforced gearbox. This model is a compact yet powerful carbine engineered for performance, reliability, and user customization.
EDGE™ Gen. 2 — enhanced internal and external design
- 6.03 mm precision inner barrel for increased accuracy
- Metal barrel with Nano Coating for scratch resistance
- Sealed aluminium nozzle for superior compression
- Helium™ Flat Hop Eraser for consistent BB flight
- Rotating MAGNUS™ TDC Hop-Up chamber (Top Down Center)
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ÆTHER™ Gearbox (EU Patent No. 015044865-0001) — reinforced frame featuring:
- Anti-reversal release window
- Pre-cocking & AoE inspection ports
- Strengthened structural stress zones
- Motor pinion access window
- Trigger adjustment and frame alignment screws
HAL²™ — next-generation electronic trigger system
Developed in Poland, the HAL²™ system uses magnetic Hall effect sensors for up to 500 levels of trigger sensitivity, offering lightning-fast responsiveness and resistance to dirt and external interference. Integrated Bluetooth® Low Energy allows direct pairing with the Specna Link™ mobile app (available on Google Play & App Store) for full customization.
- Trigger sensitivity adjustment and pre-cocking control
- Selectable fire modes: SEMI, AUTO, BINARY, BURST
- Rate of fire and burst duration customization
- Battery monitoring and LiPo/Li-Ion protection
- Magazine simulation & telemetry data logging
- Multiple profiles for different replicas or game modes
- Real-time performance tracking
Rock River Arms® Licensed Construction
Officially licensed by Rock River Arms®, this carbine replicates the precision and ergonomics of their real AR-15 rifles. Founded in 1996 in Illinois, RRA supplies carbines to agencies such as the DEA, FBI, and US Marshals. The SA-E25 includes engraved RRA trademarks and an individual serial number for authenticity.
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RRA® Lightweight Free Float Rail (M-LOK standard, licensed design)
- Full metal receiver with markings and serial number
- Folding polymer sights (front & rear)
- Adjustable polymer SF-type stock with textured buttpad
- QD pistol grip — quick motor access without tools
- Ambidextrous sling mount points
- 14 mm CCW threaded barrel — ready for suppressors or tracers
ESA™ Quick Spring Change System
The ESA™ (Easy Spring Access) system allows users to adjust spring power quickly without full gearbox disassembly. Swap the spring directly via the buffer tube, making it easy to comply with field FPS limits. Includes an M90 spring for lower velocity configurations.
Internal components
- Polymer piston with full steel teeth
- Bearing-mounted polymer spring guide
- Sealed polymer piston head with bearing
- Aluminium cylinder & double-sealed cylinder head
- Steel gear set for maximum durability
What’s included
- Specna Arms RRA SA-E25 EDGE™ HAL²™ ETU Gen. 2 (Chaos Bronze)
- 2 × S-MAG mid-cap magazines (125 rds)
- M90 additional spring
- Vertical 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. Browse compatible models here: /collections/batteries-and-chargers.
Performance & usability
The SA-E25 EDGE™ HAL²™ delivers up to 380 FPS through a 250 mm precision barrel, combining high performance in a compact format. Perfect for CQB or outdoor play, it provides exceptional balance, reactivity, and control.
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Technical specifications
| Specification |
Value |
| Model |
Specna Arms RRA SA-E25 EDGE™ HAL²™ ETU Gen. 2 |
| Power supply |
Electric (LiPo / Li-Ion) — DEANS / T-Connect |
| Colour |
Chaos Bronze |
| Gearbox |
Version 2 — ÆTHER™ reinforced shell |
| Inner barrel |
6.03 mm / 250 mm |
| Muzzle velocity |
~380 FPS |
| Fire modes |
Semi, Full-auto, Burst, Binary (HAL²) |
| Quick Spring Change |
ESA™ system |
| Magazine capacity |
125 rounds (mid-cap) |
| Included magazines |
2 × S-MAG mid-cap |
| Thread |
14mm CCW |
| Length |
770 mm |
| Minimal length |
680 mm |
| Weight |
~2440 g |
| Body material |
Full metal receiver; polymer stock, sights & grip |
| Markings |
Rock River Arms® licensed trademarks & serial number |
Reliable. Responsive. Ready.
The RRA SA-E25 EDGE™ HAL²™ is a professional-grade airsoft replica combining authentic Rock River Arms® style with Specna Arms’ high-tech HAL²™ electronics and mechanical reliability — a carbine built for performance and versatility.
Meta: Specna Arms RRA SA-E25 EDGE HAL² ETU Gen.2 Chaos Bronze — licensed M-LOK airsoft rifle with HAL² Bluetooth trigger, ESA quick spring system & AETHER gearbox.
Tags: Specna Arms, Rock River Arms, SA-E25, EDGE Gen2, HAL2 ETU, M-LOK, ESA system, AETHER gearbox, Chaos Bronze, airsoft rifle
