Get the FY or a gun you prefer. And one thing i noticed about C3 is thinking and speed/movement is the key for victory. Just get that radar up and gogogo
Those sniping bowmen are freekills for everybody
And know the contact points in the beginning, thats always a couple of kills or even more. (just killed a whole team of 5 in the first 10sec of the game)
But GL with it!