PStar Airsoft MRS High Pressure Spring
OptimusPrime
21 Oct 2019
Another video from PolarStar Airsoft featuring the High Pressure Spring for their compact MRS regulator for use in HPA-powered airsoft guns. The optional High Pressure Spring can boost maximum pressure to ~200psi... "In this video we take a look at the high pressure spring for our MRS regulator and demonstrate its affect on output pressure."