I don't think this needs a new thread, as it's pretty much the same question, but I have the M16A4 from the Max lineup (now a C7A2), and its specs on the site say its 480 (!) fps, which is way to high for, well, anything. An extra spring is included which I read is an M100. I'm not sure what "M" the stock spring is, but what fps should I expect when I put the M100 in, or would I need to know what the stock one is to know that?
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