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
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For Mid Level range 2h pking,
40 atk
52 str
60 ranged
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43 Combat
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For High Level Range 2h pking,
40/45(Grav 2h) atk
80/75 str
80 ranged
1/40 def
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Combat 57 if 45 atk 75 str 1 def
Combat 58 if 40 atk 80 str 1 def
40 Def Adds 10 Combat Levels
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Okay so you want to be maxed?
For firsts,get 45 atk and 63 dungeoneering for Gravite 2h
Here are the stats for maxed Range 2h pure,
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45 atk
99 str
99 ranged
1/40 def
1/13/31 prayer
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71 Cb if 1 def 1 prayer
73 Cb if 1 def 13 prayer(99+9=108 str)
75 Cb if 1 def 31 prayer(99+13 str=112 str)
And as always,40 def adds 10 Combat Levels.