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LoginSwitchboard and spacer kit for F1 / Jack / F2 Polarstar and Redline , suitable for Hk417 & Hk G28 aeg rifle
It is necessary to solder the wires onto the original trigger system, professionnal installation is highly recommanded
PolarStar Airsoft was formed in 2009 as a part of PolarStar Engineering & Machine with the goal of bringing our engineering experience and focus on quality to airsoft. Since then, PolarStar has made innovative airsoft products of the highest quality, designed and manufactured in the USA. PolarStar products, including the patented Fusion Engine are designed by airsoft players, incorporating airsoft experience with the feedback of the commnity.
