Perun HPA Trigger Board V3 LMG-E - Full metal upper and

- Full metal upper and lower receiver

It has a quad rail system with a monolithic top rail

and bolt stop system but has an ace up its sleeve in which upon discharge of the last round from the magazine

with fully authorized markings

Perun HPA Trigger Board V3 LMG-E - Full metal upper andPerun 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