The Wolverine SMP HPA Engine Trigger board replaces the stock trigger carriage in version 2 gearboxes. This electronic trigger unit utilizes a microswitch for the best trigger response possible. A Wolverine Airsoft wiring harness is also needed to contect this board to the battery/FCU and SMP HPA engine.
Features:
- Version 2 Gearbox Compatible
- Generation 3 Wolverine Airsoft Product
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