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Specna Arms SA-J77 CORE HAL ETU Gen. 2 AEG Assault Carbine - Black

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€158.26

Specna Arms SA-J77 CORE HAL ETU Gen. 2 AEG Assault Carbine - Black

An electric replica of an assault carbine from the CORE series, inspired by the iconic Kalashnikov platforms. Constructed from a combination of steel, metal, and plastic, the replica features polymer components including the receiver, stock, handguard with gas tube cover, gas tube, pistol grip, and front sight block. Metal is used for the barrel, bolt, rear sight, and front sight. The receiver cover, fire selector, trigger guard, buttplate, and rear sling mount are crafted from steel. Outfitted with a HAL ETU electronic system, the model ensures advanced performance.

Durable construction, fixed sighting devices

Constructed from a blend of damage-resistant metal, steel, and plastic, this replica boasts durability. Outfitted with a precision brass internal barrel measuring 6.03 mm in diameter, it delivers exceptional accuracy and shot consistency. The model also features fixed front and rear sights for reliable aiming. A dovetail mounting rail is integrated on the side of the body.

Folding stock

Featuring a stock that folds to the left side of the receiver, the carbine is designed for versatility. A hook is positioned at the front of the carbine for added functionality. With the stock folded, the carbine boasts compact dimensions, making it highly suitable for close-quarters gameplay within buildings or tight environments.

Quick spring change system, Hop-Up TDC chamber

Equipped with a reinforced quick spring replacement system, the replica enables swift power adjustment to meet the specific regulations of any airsoft field, eliminating the need for specialized tools or a workshop. Supplied with an M90 main spring, the replica is optimized for use in indoor environments. Outfitted with a rotating TDC Magnus (Top Down Center) Hop-Up chamber, the model ensures precise and reliable adjustment.

Gearbox V3 and its components

At the heart of the replica lies a reinforced V3 gearbox, featuring:

  • 16:1 ratio gear set
  • full steel rack piston with 14.5 teeth
  • polymer piston head with seal
  • polymer cylinder head with seal
  • aluminum cylinder

HAL ETU Module

Enhanced performance and extended lifespan of the replica are ensured by the advanced HAL ETU (Electronic Trigger Unit) system. The module features:

  • Trigger detection utilizing magnetic sensors and the Hall effect
  • Active braking system
  • Binary trigger function
  • Five-level adjustable trigger sensitivity ranging from 20% to 100%
  • Adjustable precocking with six selectable levels
  • Programmable AUTO fire modes including fully automatic, semi, three-round burst, and five-round burst options
  • Configurable SEMI fire modes such as semi, binary, AUG, and sniper settings
  • Simple programming process conducted via the trigger
  • Low battery warning

Set elements

  • AEG Specna Arms SA-J77 CORE HAL ETU Gen. 2 assault rifle - Black
  • S-Mag high-capacity magazine (holds 430 BBs)
  • spare M90 spring included
  • Tamiya (small) to T-Deans adapter
  • Cleaning rod

Main features

  • Constructed from metal and plastic components
  • Equipped with a reinforced V3 gearbox
  • Features a rotary Hop-Up TDC Magnus chamber
  • Outfitted with fixed sighting devices
  • Integrated HAL ETU module
  • Supports a quick spring change system
  • Delivers a muzzle velocity of 380 FPS with BBs
  • Includes a dovetail mounting rail
Specna Arms


Militaria.pl is a premium dealer of Specna Arms.


Specna Arms is a brand specialized in the production of ASG replicas, valued for their solid workmanship and value for money. The offered models are characterized by realistic appearance and high durability. The range includes a variety of series - from lightweight CORE™ models for beginners, through advanced EDGE™ models with metal bodies and licensed markings, to top PRIME™ replicas with brushless motors and modern electronics. The brand collaborates with renowned companies such as Rock River Arms and Daniel Defense. Specna Arms has a reputation among both beginners and advanced airsoft players.

More Information
Based on AK/AKM/AK74
Replica propulsion Electric
Muzzle velocity 380 fps
Accurate shot range Up to 40 m
Magazine type Hi-cap
Magazine capacity 430 6 mm caliber BBs
Gearbox Reinforced
Body Polymer
Weight 2625 g
Optics ready Yes
Fixed sighting devices Yes
Blowback No
Additional accessories included Yes
Hop-up Yes, adjustable
Plug type Deans/T-Connect
EAN 5902543882639
Manufacturer code SPE-01-043257
Brand Specna Arms

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