Introducing the Specna Arms SA-J01 EDGE HAL ETU airsoft Carbine with the revolutionary Magnus TDC chamber for precision and consistency. This model blends HAL ETU smart fire control with a Rotary Hop-Up Magnus TDC (Top Down Center) to deliver improved accuracy across engagements. The EDGE line showcases rugged external workmanship and thoughtful tuning-ready features, while the J-Series construction uses a robust mix of steel, aluminum and polymer to balance durability with comfortable handling. Out of the box it’s ready to perform and easily tunable to your personal style, making it an excellent choice for dedicated players and collectors alike ⚙️

• HAL ETU system – advanced trigger electronics with magnetic sensors and Hall effect, active brake, binary trigger, and adjustable trigger sensitivity (5 levels from 20% to 100%). Includes adjustable pre-cocking (6 levels) and programmable AUTO and SEMI firing modes, all easily configured via the trigger with a built‑in low battery alarm.
• Magnus TDC Rotary Hop-Up – Top Down Center chamber delivers consistent backspin and improved shot-to-shot stability for longer engagement ranges.
• Sturdy EDGE build – sheet steel body with a single-piece steel outer barrel, aluminum sighting devices and other components, complemented by a polymer pistol grip, magazine, folding stock, handguard and gas tube cover for a balanced weight distribution.
• ORION™ V3 gearbox – high-standard gearbox prepared for tuning, ready to handle powerful springs (up to M140) and built for reliability in field conditions.
• ESA2 Quick-Change Spring System & side rails – easy power tuning on the fly with a side dovetail mounting rail for accessories, plus generous room under the breech cover for LiPo batteries.
• LiPo ready with breech-space for stick batteries – designed to accommodate compact LiPo batteries under the breech cover for a streamlined profile and consistent performance.
• Included accessories – 2 x mid-cap S-MAG magazines, cleaning rod, Allen key, small Tamiya-Deans adapter, BBs speedloader, and an M90 additional spring for reduced-power practice. The kit specifies: battery and charger not included so you can tailor power and charging to your setup.

Technical specifications

• Construction – sheet steel body; single-piece steel outer barrel; aluminum components (sighting devices, discharge device, dovetail mount, reload handle); polymer grip, magazine, folding stock, handguard, and gas tube cover.
• Hop-Up – Rotary Magnus TDC (Top Down Center) chamber.
• Gearbox – ORION™ V3 gearbox, prepared for tuning and compatible with higher-power springs; ready for M140 upgrades.
• Battery compatibility – LiPo ready with ample space under the breech cover for convenient stick batteries.
• Magazine type – 2 x mid-cap S-MAG magazines included.
• Quick-change system – ESA2 quick-change spring system with a side dovetail rail for accessory mounting.
• In-box contents – cleaning rod, Allen key, small Tamyia–Deans adapter, BBs speedloader, M90 spring; package excludes battery and charger.