If you have the ccpm version you can just adjust your swash mix in the TX to lower it a bit so it doesn't bind. That's the easy fix/ You can always play a bit with your endpoint adjustments on both of them if you want to do it this way.

Another thing they sell is the round discs you can put on your right stick for your Tx which does exactly this, not allow you to overdrive your servos. Your swash is round but the travel of your stick is actually rectangular. Not proportional to the swash. That disk takes care of that.

http://www.grandrc.com/inc/sdetail/83902

Hope this helps.