Perun HPA Trigger Board V2 Wolverine Engines The ejection port cover locks

The ejection port cover locks to the open position to give easy access to the rotary hop up

featuring precise accuracy and responsive fire controls with excellent build quality

20g BBs and Green Gas)

more air flow can be supplied to engine at same time which increases the consistency even more

A new MOSFET will never let you down on the battlefield

Perun HPA Trigger Board V2 Wolverine Engines The ejection port cover locksPerun HPA Trigger Board replaces mechanical contacts in your HPA system and provides lots of useful features. Magnetic sensors eliminate moving parts that are prone to damage, thus increasing reliability. The elasticity of this unit gives you certainty that HPA replica made from parts made by different manufacturers will not have any incompatibility issues. Adaptive trigger control allows switching from a very short trigger travel to a long one even