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I am setting out to modify my King Arms Micro Galil (MAR) to have a PolarStar Fusion Engine V3 gearbox replacement. The reason I am documenting this is that I have found a lot of info on the internet but not too much on Arnie's. What that means is that a lot of the info out there is about how they relate to playing in America and some of the Scandinavian countries but not much about using them in the UK. So, instead of red nozzle and 30RPS full auto 400fps "CQB" builds and guides on how to get more power out of a setup by using power creep to your advantage when chronoing (which I con