wintwu Posted February 22, 2007 Share Posted February 22, 2007 I just got my new M4 assembled it and was cycling some rounds. I noticed when the shell release lever (part #076J) is down showing the red circle, when I pull the bolt head open all the way back it just hangs there like it's stuck. I have to push on the bolt handle forward to get it to close again. Is this normal? or is there something that needs lubing or breaking in so it doesn't hang up like this? thanks. Quote Link to comment Share on other sites More sharing options...
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