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."
PolarStar Airsoft demonstrates the Compact Regulator High Pressure Spring for use in their air regulators such as the Micro Reg GEN2... "In this video we take a look at the high pressure spring for line of compact regulators and demonstrate its affect in a Micro Reg GEN2."