might, might not help but when i opened up the main assembly on my ICS and put it back together i didnt have the 3rd gear in the right rotation(flat side up). when it was like this i was kind of getting the same thing you are talking about. dont know if king arms are the same but check and see if something like that is the issue. one never knows.
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ICS-60 CXP .08 full metal
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