CCWinDC? Posted April 18, 2010 Share Posted April 18, 2010 This question is regarding an 18inch length M2 tactical. How long should the spring be for those who have a full length tube. I assume this can be applicable to the m4 as well. I think my spring is too long and I need to cut it, so what its the proper size? Thanks in advance for any advice. Quote Link to comment Share on other sites More sharing options...
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