Quote:
Originally Posted by XxNewbyxX
i run an 8.4v in my tm m14. I currently have a 170% PDI spring, metal bushings... and some other fancy stuff but no need to go into detail. an 8.4v will work.
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You probably use a 8.4v Large, but the P90 can only take 8.4v mini.
With a SP85 spring, you'll have no problem with a 8.4v mini.