Hey dude, I'm an expert at range 2h'ing and I will tell you low, medium, high and maxed range/2h stats.I really hope this will help as I've always succeeded in PvP.
For Low level range 2h pking,
10/20 att
51/40 str
40 ranged
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30 cb if 10 atk and 28 cb if 20 atk...