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  • Airsoft Systems ASCU Lite V2 Electronic Trigger Unit Airsoft Systems ASCU Lite V2 Electronic Trigger Unit

Airsoft Systems ASCU Lite V2 - Rear

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Quick Overview

ASCU LITE is designed with simplicity and functionality in mind. It is the easiest ASCU to install and use. It packs only the functions a player actually uses on the field.
ASCU LITE is a hi-end single board electronic module, which, once installed in airsoft replicas, significantly improves their operation. The traditional connector circuit is replaced with a sensor unit that monitors the current location of the sector gear, fire mode selector and trigger. Collected information is transmitted to the command unit – where the software in the CPU analyzes them and controls the motor of the replica via a high power MOSFET with active brake.
ASCU LITE improves gearbox V2 operation and causes the replica to match the most expensive and complicated PTW replicas in gearbox function.


Availability: In stock


ASCU LITE oversees the replica’s gearbox operation no matter the speed with which the trigger was squeezed, it is also responsible for completing a full cycle of the piston and gearbox operation, both in semi-auto and full-auto modes. After each shot, the piston stops in its exact starting position.


ASCU LITE features a Low Drain Protection system specially designed to protect lithium-polymer batteries (LiPo) from damage, but it also works with all types of batteries used in airsoft, up to 13V.

  • The Airsoft Systems ASCU LITE stops the replica’s firing cycle in case of any problems, therefor protecting the internal elements from further damage.
  • The sensors monitor the operation of the sector gear and thanks to that the whole system is capable of completing full cycles of the gearbox operation.
  • The unit shortens and expedites the reaction of the trigger in an AEG replica, which, in comparison to the ordinary unit, is practically instantaneous.
  • It prevents accidental, double shots: when the trigger’s consecutive squeeze is faster than a human reaction, each squeeze amounts to one shot.
  • The ASCU is an easy-to-install unit which replaces connectors and an anti-reversal latch in any V2 gearbox, whose elimination completely reduces the jamming of the piston. Furthermore, it guarantees that a replica will complete a full cycle every time (the spring will remain in the loose state).
  • ASCU LITE does not allow battery over-discharge, which is very important when utilizing lithium batteries (LiPo, LiIon, LiFe).
  • The module detects issues and malfunctions by emitting a sound and vibrations as well as cutting off the power source, thus preventing further damage in a gearbox.
  • ASCU LITE significantly prolongs battery lifetime.
  • Compatible with every standard and reinforced Gearbox V2 gearbox frame

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