M4 Airsoft RRA SA-E05 EDGE HAL 2 ETU V2 Half-Tan
Specna Arms RRA SA-E05 EDGE™ HAL² ETU Light Ops Stock Gen. 2 — Airsoft Carbine (Half-Tan)
Compact. Smart. Battle-Ready.
The Specna Arms RRA SA-E05 EDGE™ HAL² ETU Light Ops Stock Gen. 2 in Half-Tan combines Rock River Arms®-licensed design with the advanced HAL²™ electronic trigger system. Built for reliability and responsiveness, this next-generation AEG brings together a reinforced ÆTHER™ gearbox, ESA™ quick spring system, and precision engineering — ready for any tactical scenario straight out of the box.
EDGE™ Gen. 2 — professional performance upgrade
- 6.03 mm precision inner barrel for enhanced 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 design)
- 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
- Motor pinion and trigger adjustment windows
- Reinforced structural stress points
- Frame alignment screw holes for precision assembly
HAL²™ — intelligent Bluetooth® ETU system
The HAL²™ system revolutionises trigger control using the magnetic Hall effect, offering up to 500 levels of sensitivity for unmatched responsiveness and precision. Resistant to dust and light interference, the integrated Bluetooth® Low Energy module connects seamlessly to your smartphone through the Specna Link™ app (Android / iOS), allowing real-time configuration and telemetry.
- Adjustable trigger sensitivity & pre-cocking
- Fire mode configuration: SEMI, BINARY, BURST, AUTO
- Adjustable burst length and rate of fire
- Battery over-discharge protection for LiPo/Li-Ion
- Magazine simulation & live battery monitoring
- Real-time diagnostics & telemetry feedback
- Multiple replica and player profiles via Specna Link™
Rock River Arms® licensed body
This model features official Rock River Arms® trademarks, replicating the look and feel of one of America’s most trusted firearm manufacturers. With an individual serial number, high-quality externals, and compact structure, the SA-E05 EDGE™ HAL² is perfect for dynamic CQB or field operations.
- Full metal receiver with RRA-licensed markings
- Quad RIS handguard (12, 3, 6, 9 o’clock) for accessory mounting
- Light Ops Stock: lightweight, minimalist, rubberised cheek rests & curved non-slip buttpad
- Folding polymer sights compatible with optics
- QD pistol grip for tool-free motor access
- Ambidextrous sling mounting points
- 14 mm CCW barrel thread for suppressors or tracer units
ESA™ Quick Spring Change system
The ESA™ system allows for rapid FPS adjustment without opening the gearbox. Simply remove the stock tube to access the spring guide — ideal for switching between field and CQB limits. The set includes an M90 spring for lower-velocity setups.
Internal configuration
- Polymer piston with full steel teeth
- Bearing-mounted polymer spring guide
- Sealed polymer piston head with bearing
- Aluminium cylinder and double sealed head
- Steel gearset for durability
What’s included
- Specna Arms RRA SA-E05 EDGE™ HAL² ETU Gen. 2 replica (Half-Tan)
- 2 × S-MAG mid-cap magazines (125 rds)
- M90 additional spring
- Vertical foregrip
- Cleaning rod
- Small Tamiya → DEANS adapter
- BB speedloader
Note: Battery and charger not included. Compatible with DEANS / T-Connect LiPo or Li-Ion batteries. Explore power solutions at /collections/batteries-and-chargers.
Field performance
With a 245 mm precision barrel, compact 75 cm frame, and ergonomic Light Ops Stock, the SA-E05 EDGE™ HAL² offers fast handling and stable performance. Ideal for both CQB and mid-range engagements — responsive, durable, and digitally tuned.
Related collections
- /collections/airsoft-rifles
- /collections/specna-arms-airsoft-guns-all
Technical specifications
| Specification | Value |
| Model | Specna Arms RRA SA-E05 EDGE™ HAL² ETU Light Ops Stock Gen. 2 |
| Power supply | Electric (LiPo / Li-Ion) — DEANS / T-Connect |
| Colour | Half-Tan |
| Gearbox | Version 2 — ÆTHER™ reinforced shell |
| Inner barrel | 6.03 mm / 245 mm |
| Muzzle velocity | ~380 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 | 750 mm |
| Weight | ~2365 g |
| Body material | Metal receiver; polymer stock, grip & sights |
| Markings | Rock River Arms® licensed trademarks |
Smart, sleek, and ready for action.
The RRA SA-E05 EDGE™ HAL² Gen. 2 delivers the reliability, responsiveness, and control expected from Specna Arms’ top-tier EDGE™ line — an AEG built for players who demand the best.
Product Information
Product Information
Shipping & Returns
Shipping & Returns
Description
Specna Arms RRA SA-E05 EDGE™ HAL² ETU Light Ops Stock Gen. 2 — Airsoft Carbine (Half-Tan)
Compact. Smart. Battle-Ready.
The Specna Arms RRA SA-E05 EDGE™ HAL² ETU Light Ops Stock Gen. 2 in Half-Tan combines Rock River Arms®-licensed design with the advanced HAL²™ electronic trigger system. Built for reliability and responsiveness, this next-generation AEG brings together a reinforced ÆTHER™ gearbox, ESA™ quick spring system, and precision engineering — ready for any tactical scenario straight out of the box.
EDGE™ Gen. 2 — professional performance upgrade
- 6.03 mm precision inner barrel for enhanced 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 design)
- 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
- Motor pinion and trigger adjustment windows
- Reinforced structural stress points
- Frame alignment screw holes for precision assembly
HAL²™ — intelligent Bluetooth® ETU system
The HAL²™ system revolutionises trigger control using the magnetic Hall effect, offering up to 500 levels of sensitivity for unmatched responsiveness and precision. Resistant to dust and light interference, the integrated Bluetooth® Low Energy module connects seamlessly to your smartphone through the Specna Link™ app (Android / iOS), allowing real-time configuration and telemetry.
- Adjustable trigger sensitivity & pre-cocking
- Fire mode configuration: SEMI, BINARY, BURST, AUTO
- Adjustable burst length and rate of fire
- Battery over-discharge protection for LiPo/Li-Ion
- Magazine simulation & live battery monitoring
- Real-time diagnostics & telemetry feedback
- Multiple replica and player profiles via Specna Link™
Rock River Arms® licensed body
This model features official Rock River Arms® trademarks, replicating the look and feel of one of America’s most trusted firearm manufacturers. With an individual serial number, high-quality externals, and compact structure, the SA-E05 EDGE™ HAL² is perfect for dynamic CQB or field operations.
- Full metal receiver with RRA-licensed markings
- Quad RIS handguard (12, 3, 6, 9 o’clock) for accessory mounting
- Light Ops Stock: lightweight, minimalist, rubberised cheek rests & curved non-slip buttpad
- Folding polymer sights compatible with optics
- QD pistol grip for tool-free motor access
- Ambidextrous sling mounting points
- 14 mm CCW barrel thread for suppressors or tracer units
ESA™ Quick Spring Change system
The ESA™ system allows for rapid FPS adjustment without opening the gearbox. Simply remove the stock tube to access the spring guide — ideal for switching between field and CQB limits. The set includes an M90 spring for lower-velocity setups.
Internal configuration
- Polymer piston with full steel teeth
- Bearing-mounted polymer spring guide
- Sealed polymer piston head with bearing
- Aluminium cylinder and double sealed head
- Steel gearset for durability
What’s included
- Specna Arms RRA SA-E05 EDGE™ HAL² ETU Gen. 2 replica (Half-Tan)
- 2 × S-MAG mid-cap magazines (125 rds)
- M90 additional spring
- Vertical foregrip
- Cleaning rod
- Small Tamiya → DEANS adapter
- BB speedloader
Note: Battery and charger not included. Compatible with DEANS / T-Connect LiPo or Li-Ion batteries. Explore power solutions at /collections/batteries-and-chargers.
Field performance
With a 245 mm precision barrel, compact 75 cm frame, and ergonomic Light Ops Stock, the SA-E05 EDGE™ HAL² offers fast handling and stable performance. Ideal for both CQB and mid-range engagements — responsive, durable, and digitally tuned.
Related collections
- /collections/airsoft-rifles
- /collections/specna-arms-airsoft-guns-all
Technical specifications
| Specification | Value |
| Model | Specna Arms RRA SA-E05 EDGE™ HAL² ETU Light Ops Stock Gen. 2 |
| Power supply | Electric (LiPo / Li-Ion) — DEANS / T-Connect |
| Colour | Half-Tan |
| Gearbox | Version 2 — ÆTHER™ reinforced shell |
| Inner barrel | 6.03 mm / 245 mm |
| Muzzle velocity | ~380 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 | 750 mm |
| Weight | ~2365 g |
| Body material | Metal receiver; polymer stock, grip & sights |
| Markings | Rock River Arms® licensed trademarks |
Smart, sleek, and ready for action.
The RRA SA-E05 EDGE™ HAL² Gen. 2 delivers the reliability, responsiveness, and control expected from Specna Arms’ top-tier EDGE™ line — an AEG built for players who demand the best.
