M4 Airsoft RRA SA-E25 EDGE HAL 2 ETU V2
Specna Arms RRA SA-E25 EDGE™ HAL²™ ETU Gen. 2 — Airsoft Carbine (Black)
Precision. Durability. Digital Control.
The Specna Arms RRA SA-E25 EDGE™ HAL²™ ETU Gen. 2 combines official Rock River Arms® licensing with Specna Arms’ next-generation HAL²™ electronic trigger unit and ÆTHER™ reinforced gearbox. Compact, robust, and smart — it’s engineered to perform flawlessly in any airsoft environment.
EDGE™ Gen. 2 — advanced internal design
- 6.03 mm precision inner barrel for consistent accuracy
- Metal barrel with Nano Coating to prevent scratches
- Sealed aluminium nozzle for perfect air seal
- Helium™ Flat Hop Eraser for improved BB flight stability
- Rotating MAGNUS™ TDC Hop-Up chamber (Top Down Center)
-
ÆTHER™ Gearbox (EU Patent No. 015044865-0001) with:
- Anti-reversal release window
- Pre-cocking and AoE inspection ports
- Reinforced structural stress points
- Motor pinion access port
- Trigger alignment and frame alignment screws
HAL²™ — high-precision programmable trigger
The HAL²™ system uses a magnetic Hall effect sensor for up to 500 sensitivity levels, providing ultra-responsive and dirt-resistant performance. It integrates Bluetooth® Low Energy for fast and stable connection with the Specna Link™ mobile app (available for Android and iOS), allowing full customization.
- Adjustable trigger sensitivity and pre-cocking
- Programmable modes: SEMI, AUTO, BURST, BINARY
- Rate of fire and burst length customization
- LiPo/Li-Ion battery protection and monitoring
- Magazine simulation and telemetry data logging
- Multiple profiles for different loadouts
- Real-time performance monitoring
Rock River Arms® licensed design
Produced under official license from Rock River Arms®, this replica faithfully reproduces the design and ergonomics of the AR-15 carbines used by U.S. law enforcement and agencies such as the DEA and FBI.
- Full-metal receiver with RRA® trademarks and serial number
- RRA Lightweight Free Float Rail — M-LOK standard (licensed)
- Folding polymer sights
- Adjustable SF-type stock with non-slip rubber pad
- QD pistol grip for quick, tool-free motor access
- Ambidextrous sling mount points
- 14 mm CCW threaded barrel — suppressor-ready
ESA™ — Quick Spring Change System
The ESA™ (Easy Spring Access) system allows rapid power tuning without gearbox disassembly. Adjust the replica’s FPS to field limits in under a minute — ideal for both CQB and outdoor games. 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 and double-sealed head
- Steel gear set for long-term reliability
Package includes
- Specna Arms RRA SA-E25 EDGE™ HAL²™ ETU Gen. 2 (Black)
- 2 × S-MAG mid-cap magazines (125 rds)
- M90 additional spring
- Vertical 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. Browse compatible options here: /collections/batteries-and-chargers.
Performance & handling
Compact, light, and responsive — the SA-E25 EDGE™ HAL²™ offers up to 380 FPS through a 250 mm precision barrel. Designed for CQB and dynamic field engagements, it provides exceptional maneuverability and control.
Related collections
- /collections/airsoft-rifles
- /collections/specna-arms-airsoft-guns-all
- /collections/rock-river-arms
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 | Black |
| 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 |
Compact. Smart. Ready for action.
The RRA SA-E25 EDGE™ HAL²™ combines authentic RRA design with Specna Arms’ smart HAL²™ technology, making it one of the most capable compact AEGs in its class.
Original: $355.50
-70%$355.50
$106.65Product Information
Product Information
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Description
Specna Arms RRA SA-E25 EDGE™ HAL²™ ETU Gen. 2 — Airsoft Carbine (Black)
Precision. Durability. Digital Control.
The Specna Arms RRA SA-E25 EDGE™ HAL²™ ETU Gen. 2 combines official Rock River Arms® licensing with Specna Arms’ next-generation HAL²™ electronic trigger unit and ÆTHER™ reinforced gearbox. Compact, robust, and smart — it’s engineered to perform flawlessly in any airsoft environment.
EDGE™ Gen. 2 — advanced internal design
- 6.03 mm precision inner barrel for consistent accuracy
- Metal barrel with Nano Coating to prevent scratches
- Sealed aluminium nozzle for perfect air seal
- Helium™ Flat Hop Eraser for improved BB flight stability
- Rotating MAGNUS™ TDC Hop-Up chamber (Top Down Center)
-
ÆTHER™ Gearbox (EU Patent No. 015044865-0001) with:
- Anti-reversal release window
- Pre-cocking and AoE inspection ports
- Reinforced structural stress points
- Motor pinion access port
- Trigger alignment and frame alignment screws
HAL²™ — high-precision programmable trigger
The HAL²™ system uses a magnetic Hall effect sensor for up to 500 sensitivity levels, providing ultra-responsive and dirt-resistant performance. It integrates Bluetooth® Low Energy for fast and stable connection with the Specna Link™ mobile app (available for Android and iOS), allowing full customization.
- Adjustable trigger sensitivity and pre-cocking
- Programmable modes: SEMI, AUTO, BURST, BINARY
- Rate of fire and burst length customization
- LiPo/Li-Ion battery protection and monitoring
- Magazine simulation and telemetry data logging
- Multiple profiles for different loadouts
- Real-time performance monitoring
Rock River Arms® licensed design
Produced under official license from Rock River Arms®, this replica faithfully reproduces the design and ergonomics of the AR-15 carbines used by U.S. law enforcement and agencies such as the DEA and FBI.
- Full-metal receiver with RRA® trademarks and serial number
- RRA Lightweight Free Float Rail — M-LOK standard (licensed)
- Folding polymer sights
- Adjustable SF-type stock with non-slip rubber pad
- QD pistol grip for quick, tool-free motor access
- Ambidextrous sling mount points
- 14 mm CCW threaded barrel — suppressor-ready
ESA™ — Quick Spring Change System
The ESA™ (Easy Spring Access) system allows rapid power tuning without gearbox disassembly. Adjust the replica’s FPS to field limits in under a minute — ideal for both CQB and outdoor games. 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 and double-sealed head
- Steel gear set for long-term reliability
Package includes
- Specna Arms RRA SA-E25 EDGE™ HAL²™ ETU Gen. 2 (Black)
- 2 × S-MAG mid-cap magazines (125 rds)
- M90 additional spring
- Vertical 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. Browse compatible options here: /collections/batteries-and-chargers.
Performance & handling
Compact, light, and responsive — the SA-E25 EDGE™ HAL²™ offers up to 380 FPS through a 250 mm precision barrel. Designed for CQB and dynamic field engagements, it provides exceptional maneuverability and control.
Related collections
- /collections/airsoft-rifles
- /collections/specna-arms-airsoft-guns-all
- /collections/rock-river-arms
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 | Black |
| 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 |
Compact. Smart. Ready for action.
The RRA SA-E25 EDGE™ HAL²™ combines authentic RRA design with Specna Arms’ smart HAL²™ technology, making it one of the most capable compact AEGs in its class.
