PERUN HPA Trigger Board ETU for V3 Gearbox View larger

PERUN HPA Trigger Board ETU for V3 Gearbox

HPA Trigger Board V3 Control Unit by Perun.

Designed for V3 gearboxes with HPA systems Polarstar, Wolverine, and Redline.

Electronic replacement for mechanical contacts with magnetic sensors.

Adaptive trigger control – 8 levels of sensitivity for each trigger stage.

Programming via selector switch and trigger.

Compatible with Perun accessories such as Clicker V3.

Another product variants

  • White
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    : Polarstar

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    HPA Conversion Kit F2™ by Polarstar in red finish. Designed for AEG gearboxes V3 (AK, G36 and others). Velocity range 60 to 150 m/s at operating pressure of 45 to 145 PSI. Patented dual solenoid design. Independent nozzle and valve adjustment. Maximum control over BB loading time and air volume. Allows operation at lower PSI pressure.

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    Magnetic Trigger Resistance Clicker by Perun for the V3 gearbox (AK, G36, and others). Clicker is an accessory designed for use with Perun V3 Hybrid and ARCTURUS PE processor units. It introduces a manual magnetic trigger resistance, requiring the magnetic field to be overcome to fire a shot. This simulates resistance, break, and audible trigger reset. 

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Perun HPA Trigger Board V3

Looking for a reliable electronic replacement for mechanical trigger contacts in your HPA rifle? Need electronic safety functions and calibration to ensure the SAFE position is always correctly detected? Want to customize the trigger to your shooting style without any tools, even in the field? Then the Perun HPA Trigger Board V3 is the solution. The V3 board replaces fragile mechanical contacts with magnetic sensors, adds electronic safety, diagnostics, customizable fire modes, and fully programmable trigger sensitivity.

Key Features

  • Contactless switches:
    Magnetic sensors with no moving parts prone to wear.

  • Electronic safety:
    Selector SAFE position detection prevents accidental shots.

  • Selector calibration:
    Allows precise calibration for reliable operation.

  • Programming:
    All setup is done via selector switch and trigger – no external tools required.

  • 8 sensitivity levels:
    Adjustable for first and second trigger stages.

  • Diagnostics:
    On-board system for quick troubleshooting and status updates.

Technical Specifications

  • Compatibility: V3 gearboxes TM standard
  • Voltage: Works with 7–17 V batteries
  • Programming: Via selector and trigger (multicolor LED indicators)
  • Trigger adjustment: 8 levels of sensitivity for both trigger stages
  • Modes: Adjustable fire modes, RoF control, DMR mode

Tested V3 Gearboxes

ASG, Arcturus, E&L, LCT, G&G, JG, Specna Arms, Ultimate. Minor filing required for Cyma gearboxes.

Compatible HPA Systems

  • Polarstar (F1, F2, Jack)
  • Wolverine (Heretic, Hydra, SMP, Reaper, Inferno gen1/gen2)
  • Redline (N7 – FCU electronic programming version)

Package Includes

ColorWhite