Perun HPA Trigger Board V3 Handguards and Rail Accessories - Wire outer diameter is

- Wire outer diameter is only 2

It shares the same spring as the Fusion Engine™ with both light and heavy spring options available to adjust the loading force

and a new rotary hop up

0 with ETU built-in

- Adjustable strength active braking (can be disabled)

Perun HPA Trigger Board V3 Handguards and Rail Accessories - Wire outer diameter isPerun 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