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Specna Arms SA-J81 CORE HAL ETU Gen. 2 AEG Assault Carbine

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€179.49
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€179.49

Specna Arms SA-J81 CORE HAL ETU Gen. 2 AEG Assault Carbine

An electric imitation of an assault carbine from the CORE series, inspired by the renowned Kalashnikov platforms. Constructed from a combination of steel, metal, and plastic, the replica features polymer elements such as the receiver, stock, handguard with gas tube cover, gas tube, pistol grip, and front sight base. Components including the barrel, bolt, rear sight, and front sight utilize a zinc and aluminum alloy. The receiver cover, selector guard, and trigger guard are produced from steel.

Robust construction, fixed sighting devices

Constructed from a blend of damage-resistant metal, steel, and plastic, the replica offers robust durability. Outfitted with a high-precision steel inner barrel measuring 6.03 mm in diameter, the model delivers exceptional accuracy and consistent shot performance. Additional features include fixed sighting devices and a dovetail mounting rail positioned along the side of the frame.

Quick spring change system, TDC Hop-Up chamber

The enhanced quick spring change system enables swift and effortless power adjustment of the replica to suit the specific requirements of the field, all without specialized tools or a workshop. Equipped with an M90 main spring in the package, the replica is optimized for indoor skirmishes. The model is outfitted with a rotating TDC Magnus (Top Down Center) Hop-Up chamber, providing accurate and consistent regulation.

Gearbox V3 and its components

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

  • 16:1 gear ratio
  • full steel 14.5-tooth jaw piston
  • piston head with polymer seal
  • cylinder head with polymer seal
  • aluminum-made cylinder

HAL ETU module

Enhanced electronics within the HAL ETU (Electronic Trigger Unit) optimize replica performance and extend its operational lifespan. The module features:

  • Trigger recognition utilizing magnetic sensors in conjunction with the Hall effect
  • Active braking function
  • Binary trigger capability
  • Adjustable trigger sensitivity with five selectable levels from 20% to 100%
  • Adjustable precocking set across six distinct levels
  • Programmable AUTO firing modes including full-auto, semi, 3-round burst, and 5-round burst
  • Programmable SEMI firing modes comprising semi, binary, AUG, and sniper configurations
  • Convenient programming through the trigger
  • Low battery warning system

Set elements

  • Specna Arms SA-J81 CORE HAL ETU Gen. 2 AEG assault rifle
  • S-Mag Hi-Cap magazine (430 BBs)
  • Spare M90 spring
  • T-Deans to small Tamiya adapter
  • Cleaning rod

Main features

  • Constructed from metal and plastic components
  • Equipped with a reinforced V3 gearbox
  • Features a rotating TDC Magnus Hop-Up chamber
  • Outfitted with fixed aiming sights
  • Integrated HAL ETU module
  • Incorporates a quick-change spring system
  • Delivers a BB muzzle velocity of 380 FPS
  • Fitted with a dovetail mounting rail
  • Includes a foldable stock
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
Fixed sighting devices Yes
Additional accessories included Yes
Hop-up Yes
Plug type Deans/T-Connect
EAN 5902543882646
Manufacturer code SPE-01-043258
Brand Specna Arms

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