Keep in mind that these issues were raised by the Filipino players. They have very different FPS rules there and they tend to upgrade the crap out of their guns and ride em hard. (Try PDI 210's and 12V batteries...)
I'm going to do only a few upgrades to my gun (spring, bushings, motor, and inner barrel...) so I don't anticipate the amount of problems they had and not to the extent that they experienced.
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