Polarstar Fire Control Unit, Rev. 3, Universal Flashhiders and Outer Barrels and easy to exchange to

and easy to exchange to other colors once installed (removes with a small allen set screw)

UpgradeableBattery: 7

LiPO Ready: Yes

players can expect faster trigger responses and extended battery life

Polarstar Fire Control Unit, Rev. 3, Universal Flashhiders and Outer Barrels and easy to exchange toThe REV3 FCU follows the classic design of our very first FCU and it is considered to be the finest fire control units on the market. Since it is equipped with an LCD screen and joystick you are able to easily scroll through menus and precisely adjust settings for the utmost control over the system. This FCU is also universally compatible with all PolarStar HPA systems including both dual and single solenoid systems. This latest REV3 model features