Perun HPA Trigger Board Gearbox Variant:V3 Real deal optimized piston $29

Real deal optimized piston $29

Furthermore externally

Real Deal Steel 65% Cylinder

Style A has a more canted angled trigger and Style B is more of a  Flat Face Trigger

Perun HPA Trigger Board Gearbox Variant:V3 Real deal optimized piston $29Perun 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 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 in