M4 Airsoft RRA SA-E10 EDGE HAL 2 ETU V2

Specna Arms RRA SA-E10 EDGE™ HAL² ETU Light Ops Stock Gen. 2 — Airsoft Carbine

Compact CQB precision with advanced digital control. The Specna Arms RRA SA-E10 EDGE™ HAL² ETU Gen. 2 delivers unmatched responsiveness and mobility in a compact, Rock River Arms®-licensed design. Featuring the HAL²™ programmable trigger system, the reinforced ÆTHER™ gearbox, and the ESA™ Quick Spring Change system, this carbine offers everything a modern airsoft player needs for CQB and tactical operations.

Built for performance — EDGE™ Gen. 2 platform

• 6.03 mm precision inner barrel for superior accuracy
• Metal outer barrel with Nano Coating for scratch resistance
• Helium™ Flat Hop Eraser + MAGNUS™ TDC rotating hop-up for stable BB flight
• Sealed aluminium nozzle for optimal compression
• ÆTHER™ Gearbox shell (EU Patent no. 015044865-0001) with:
  • Anti-reversal release port
  • Pre-cocking & AoE inspection windows
  • Reinforced critical areas for durability
  • Motor pinion and trigger adjustment windows

HAL²™ programmable trigger system with Bluetooth®

The HAL²™ system revolutionises trigger control using the magnetic Hall effect. It provides up to 500 sensitivity levels, dirt and light resistance, and full connectivity through Bluetooth® Low Energy. Pair your replica with the Specna Link™ app (Google Play / App Store) to customise every aspect of its performance.

• Adjustable trigger sensitivity and pre-cocking
• Selectable fire modes: SEMI, BINARY, BURST, AUTO
• Customisable burst length and rate of fire
• Battery voltage and telemetry monitoring
• LiPo/Li-Ion over-discharge protection
• Magazine simulation mode
• Real-time diagnostics and status tracking
• Store multiple replica profiles in-app

Rock River Arms® licensed design

The RRA SA-E10 proudly bears the official Rock River Arms® trademarks, replicating one of the most popular AR-15 platforms used by the DEA, FBI and US Marshals. Compact, lightweight and highly maneuverable, it’s built for performance in confined environments.

• Full metal receiver with authentic RRA engravings and serial number
• Quad RIS handguard (12, 3, 6, 9 o’clock) — for accessories like optics, lasers, or grips
• Light Ops Stock: minimalist design, rubber cheek pads, and curved non-slip buttpad
• QD pistol grip for tool-less motor access
• Ambidextrous sling mounting points
• 14 mm CCW threaded barrel for silencers or tracers

ESA™ Quick Spring Change system

The ESA™ system lets you change the main spring directly through the buffer tube, without disassembling the gearbox. Adapt your velocity quickly between outdoor and CQB limits. Includes an additional M90 spring for indoor games.

Internal configuration

• Polymer piston with full steel teeth
• Bearing-mounted polymer spring guide
• Sealed piston head with bearing
• Aluminium cylinder and double sealed cylinder head
• Hardened steel gearset

What’s included

• Specna Arms RRA SA-E10 EDGE™ HAL² ETU Gen. 2 replica
• 2 × 125 rd S-MAG mid-cap magazines
• M90 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 compatible batteries and chargers at /collections/batteries-and-chargers.

Compact power for CQB dominance

Weighing just 2.23 kg with a 160 mm inner barrel, the SA-E10 EDGE™ HAL² delivers rapid handling and pinpoint precision in tight environments. Ideal for CQB and room-clearing operations, this carbine’s small frame hides advanced internals and unmatched electronic tuning capability.

Related collections

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

Technical specifications

Specification	Value
Model	Specna Arms RRA SA-E10 EDGE™ HAL² ETU Light Ops Stock Gen. 2
Power supply	Electric (LiPo / Li-Ion) — DEANS / T-Connect
Colour	Black
Gearbox	Version 2 — ÆTHER™ reinforced shell
Inner barrel	6.03 mm / 160 mm
Muzzle velocity	~370 FPS
Fire modes	Semi, Burst (adjustable), Full-auto, 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	650 mm
Weight	~2230 g
Body material	Metal receiver; polymer stock, grip & sights
Markings	Official Rock River Arms® licensed trademarks

Small size, big performance. The RRA SA-E10 EDGE™ HAL² Gen. 2 is the perfect choice for operators who demand electronic control, fast response, and maximum mobility in one compact AEG.