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Besides the vibration dampening effects of a stabilizer the only length/weight you need is just enough to counter the recoil of the shot. Your bow should stand still after the shot or tip forward just slightly. Any more than that is simply a hindrance especially while hunting. Your grip will also have an effect on the bow at the shot. A very open hand allows the bow to move any place at the shot. A relaxed hand contains much of the bows movement. I don't want to get into too much form detail but big/long stabilizers are overrated on a hunting bow if you ask me
A long stabilizer in a hunting situation is fine if you are making long shots in open country. If you prefer to hunt wet side jungles where any shot over 35 yards is almost impossible and a long stabilizer would just get in the way or snagged.