SA-CH29 CORE Gen.2 HAL ETU Half-Tan

Specna Arms SA-CH29 CORE™ Gen.2 HAL ETU Airsoft Carbine

The Specna Arms SA-CH29 CORE™ Gen.2 is a modern electric airsoft carbine engineered to deliver excellent performance, reliability, and advanced electronics at a highly competitive price point. Designed by :contentReference[oaicite:1]{index=1} for players who want a ready-to-play replica straight out of the box, the CORE™ Gen.2 series blends smart internal upgrades with a lightweight yet reinforced external build.

Thanks to its balanced construction, programmable HAL™ ETU, and precision hop-up system, the SA-CH29 is perfectly suited for CQB arenas, outdoor skirmishes, and long milsim events.

Lightweight & Durable External Construction

• Nylon fibre-reinforced polymer body for reduced weight and high durability
• Metal components including barrel, RIS handguard, flame suppressor, sights, and charging handle
• Excellent body fitment with no wobble between upper and lower receivers
• 22 mm RIS top rail for optics and accessories
• Adjustable stock with non-slip textured buttpad
• 14 mm CCW threaded muzzle – tracer and suppressor ready

Precision Hop-Up & Accuracy System

• Magnus™ TDC rotary Hop-Up chamber for precise and stable adjustment
• Helium™ Flat Hop Eraser for improved BB trajectory and consistency
• 270 mm inner barrel for balanced range and maneuverability

Æther™ Gearbox – CORE™ Gen.2 Reinforced Platform

The upgraded Æther™ Gearbox delivers long-term reliability and easy servicing, making this replica ideal for both beginners and experienced players.

• Reinforced gearbox shell with strengthened front
• Ready for springs up to M140
• Mainspring release function
• ESA™ quick spring change system
• Pre-cocking and AoE inspection windows
• Trigger adjustment function
• Screw holes for perfect gearbox alignment

HAL™ Electronic Trigger Unit (ETU)

The factory-installed HAL™ ETU brings advanced electronic control usually found in higher-end replicas, fully programmable directly through the trigger.

• Trigger detection via magnetic sensors and Hall effect
• Binary trigger support
• Active Brake
• Adjustable trigger sensitivity (5 levels)
• Adjustable pre-cocking (6 levels)
• Programmable AUTO modes: Full Auto, Semi, 3-Round Burst, 5-Round Burst
• Programmable SEMI modes: Semi, Binary, AUG, Sniper
• Low battery warning system
• Compatible with brushless motors

Important note: On first use, after connecting the battery, hold the trigger in SAFE mode for approx. 5 seconds to activate the HAL™ module.

ESA™ Quick Spring Change System

The integrated ESA™ system allows rapid FPS adjustment without opening the gearbox. Simply remove the stock guide to change the spring, making the SA-CH29 ideal for fields with strict power limits or players switching between CQB and outdoor games.

Package Contents

• Specna Arms SA-CH29 CORE™ Gen.2 replica
• 2 × S-MAG mid-cap magazines
• M90 additional spring
• BB speedloader
• Cleaning rod
• Allen key
• Small Tamiya to Deans adapter

Battery and charger are not included.

Upgrade your setup with high-quality airsoft BBs and reliable LiPo batteries & chargers. Discover more models in the Specna Arms collection or browse our full range of airsoft rifles.

Technical Specifications

Power Source	Electric (AEG)
Gearbox	V2 – Æther™
Muzzle Velocity	~390 FPS
Inner Barrel Length	270 mm
Hop-Up	Yes (Magnus™ TDC)
Fire Modes	Semi / Full Auto / Burst / Binary
ETU	HAL™ Electronic Trigger Unit
Magazine Capacity	125 BBs
Length	785 mm
Weight	2900 g
Connector	Deans / T-Connect
Thread	14 mm CCW
Colour	Half-Tan