cms81586 Posted November 10, 2009 Share Posted November 10, 2009 Has anyone noticed that after 80-100rnds of buck or slugs the end cap begins to loosen on their M4? I don't know if the detent on my M4 isn't picking up on the teeth of the endcap enough or if they're all like this. Any suggestions? CMS Quote Link to comment Share on other sites More sharing options...
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