Quote:
Originally Posted by The Saint
Not quite sure I understand the question. Shimming is done to minimize play between the gears and the mechbox shell. Too much or too little play is bad for your gun. Most stock guns are not perfectly shimmed, because the factories typically do a generic shimming job instead of shimming each mechbox based on individual needs.
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What I meant was, to shim your gun, is it something that YOU or I would do to help the gun. Or is it already in the gun when you buy it and you can just replace them