The Specna Arms SA-J02 EDGE™ HAL™ ETU airsoft carbine with Magnus TDC chamber delivers precision, reliability, and advanced electronic control straight out of the box. Built for field use—from milsim to CQB—the SA-J02 EDGE HAL ETU combines rugged external construction with a feature-rich HAL ETU system designed to adapt to your playing style with ease. 

Key features

• HAL ETU system with trigger detection via magnetic sensors and Hall effect, active brake, and a binary trigger option for rapid follow-up shots.
• Programmable fire modes including AUTO (full auto, 3-burst, 5-burst) and SEMI (semi, binary, AUG, sniper) with easy programming via the trigger.
• Adjustable trigger sensitivity (5 levels from 20% to 100%) and adjustable pre-cocking (6 levels) for refined trigger feel and shot cadence.
• Magnus TDC chamber – Rotary Hop-Up with Top Down Center alignment to ensure consistent backspin and increased effective range.
• Edge series durability with a sheet steel body, single-piece steel outer barrel, and wooden fixed stock and handguard for a premium, tactile build.
• Enter & Convert™ – Dovetail side mounting rail and generous space under the breech cover for LiPo batteries.
• LiPo-ready with readiness for battery upgrades and a battery compartment designed for modern stick batteries.

Performance and build

• ORION™ V3 Gearbox ensures smooth operation, high trigger response, and a platform prepared for tuning with compatibility for higher-power springs (e.g., M140).
• The replica features a rotating Magnus TDC Hop-Up for improved accuracy and shot consistency across a variety of BB weights.
• Exterior components emphasize durability: a steel outer barrel, steel internals in critical areas, and carefully crafted wooden accents on fixed stock and handguard for a balanced, authentic feel in the field.
• Internal design prioritizes long-term reliability and ease of maintenance, with a focus on easy diagnostics and simple tuning adjustments to suit your field and milsim needs.

In the box

• 2 x mid-cap S-MAG magazines
• Cleaning rod
• Replica tool set
• Allen key
• Small Tamiya to Deans adapter
• BBs speedloader
• M90 additional spring

Why choose Specna Arms SA-J02 EDGE HAL ETU

Specna Arms is renowned for delivering high-value, field-ready replicas. The SA-J02 EDGE HAL ETU combines robust steel externals with a sophisticated electronic control system, enabling players to tailor fire modes, trigger feel, and performance to the terrain—whether sprinting through a CQB course or conducting a longer milsim operation. The HAL ETU’s multiple programmable modes and the Magnus TDC chamber’s precision make it a versatile choice for players who demand consistency, reliability, and upgrade potential out of the box.

Specifications

Model	Specna Arms SA-J02 EDGE HAL ETU
Series	EDGE
Hop-Up	Rotating Magnus TDC (Top Down Center) chamber
ETU	HAL ETU: magnetic sensors, active brake, binary trigger, 5 trigger-sensitivity levels (20–100%), 6 pre-cocking levels, programmable AUTO and SEMI modes
Gearbox	ORION™ V3
Body	Sheet steel body; single-piece steel outer barrel; wooden stock and handguard
Rail	Dovetail side mounting rail
Battery	LiPo-ready; room under breech cover
Spring compatibility	Supports tuning; ready for higher-power springs (e.g., M140)
In the box	2x mid-cap S-MAG magazines; cleaning rod; Allen key; Deans adapter; BBs speedloader; M90 spring

Notes: The set does not include the battery or charger.