M4 Airsoft RRA SA-E07 EDGE HAL 2 ETU V2 Half-Tan

Specna Arms RRA SA-E07 EDGE™ HAL² ETU Light Ops Stock Gen. 2 — Airsoft Carbine

Modern precision meets digital performance. The Specna Arms RRA SA-E07 EDGE™ HAL² ETU Light Ops Stock Gen. 2 is a compact, lightweight airsoft carbine that combines Rock River Arms® licensed externals with the next-generation HAL²™ electronic trigger system. Built on the proven EDGE™ Gen. 2 platform and powered by the reinforced ÆTHER™ gearbox, it delivers top-tier responsiveness, smart control, and tactical versatility straight out of the box.

High-performance EDGE™ Gen. 2 platform

• 6.03 mm precision inner barrel for consistent accuracy
• Metal outer barrel with Nano Coating for scratch protection
• Helium™ Flat Hop Eraser for stable BB trajectory
• Rotating MAGNUS™ TDC Hop-Up chamber (Top-Down-Center design)
• Sealed aluminium nozzle for improved air seal
• ÆTHER™ Gearbox shell (EU Patent no. 015044865-0001) featuring:
  • Anti-reversal release window
  • Pre-cocking and AoE inspection ports
  • Motor pinion inspection window
  • Trigger adjustment screw access
  • Reinforced stress zones for durability

HAL²™ — advanced digital trigger system with Bluetooth®

The HAL²™ system uses a magnetic Hall-effect sensor to register trigger pulls with up to 500 points of sensitivity, ensuring precise and reliable response. Resistant to dirt and external light, the HAL²™ system allows full electronic customization via the Specna Link™ app (available on Google Play and the App Store), using an integrated Bluetooth® Low Energy connection.

• Adjustable trigger sensitivity
• Pre-cocking for faster trigger response
• Selectable modes: SEMI, BINARY, BURST, AUTO
• Adjustable burst length and rate of fire
• LiPo/Li-Ion battery over-discharge protection
• Magazine simulation mode & real-time battery display
• Telemetry and diagnostics data
• Profile saving for multiple replicas or configurations

Rock River Arms® licensed externals

The body of this replica features official Rock River Arms® trademarks, replicating the American firearm manufacturer’s AR-15 series. With an individual serial number, metal receiver, and Light Ops Stock, the SA-E07 maintains both realism and agility.

• Full metal body with RRA engravings
• KeyMod handguard — modular and lightweight
• Polymer folding sights & removable RIS rail sections
• Light Ops Stock: ergonomic, minimalistic, non-slip cheek pads & curved rubber buttpad
• QD pistol grip for tool-less motor access
• Ambidextrous sling mounting points
• 14 mm CCW threaded outer barrel for silencers or tracers

ESA™ Quick Spring Change system

Equipped with the ESA™ system, the SA-E07 allows players to change the main spring quickly without gearbox disassembly — perfect for adjusting FPS between field and CQB requirements. The included M90 spring provides easy adaptability for different airsoft venues.

Internal configuration

• Polymer piston with full steel teeth
• Bearing-mounted polymer spring guide
• Sealed piston head with bearing
• Aluminium cylinder and double sealed head
• Steel gearset for long-term reliability

What’s included

• Specna Arms RRA SA-E07 EDGE™ HAL² ETU Gen. 2 replica
• 2 × S-MAG mid-cap magazines (approx. 125 rounds)
• M90 spring
• Vertical foregrip
• Cleaning rod
• Small Tamiya → DEANS adapter
• BB speedloader

Note: Battery and charger are not included. Compatible with DEANS / T-connect LiPo or Li-Ion batteries. Check compatible options in /collections/batteries-and-chargers.

Designed for dynamic gameplay

With its short 270 mm inner barrel, full-metal externals, and HAL² programmable ETU, the SA-E07 is perfect for CQB and medium-range engagements. Compact, efficient, and digitally tuned for precision — this is a true operator’s platform.

Related collections

• /collections/airsoft-rifles
• /collections/specna-arms-airsoft-guns-all

Technical specifications

Specification	Value
Model	Specna Arms RRA SA-E07 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 / 270 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	775 mm
Weight	~2450 g
Body material	Metal receiver; polymer stock, sights, and grip
Markings	Official Rock River Arms® licensed trademarks

Responsive. Durable. Intelligent. The RRA SA-E07 EDGE™ HAL² Gen. 2 delivers unmatched control and performance for demanding airsoft players who expect both realism and technology.