Posted: 5/1/2009 5:34:13 AM EDT
I checked out the Army/Air Force TM on the M-16 and the part discussing headspace was very unclear to me. Do you have to take the extractor off? I gather that the bolt will not lock up on a "go" gauge"... is that correct? If the bolt closes on a "no go" gauge how is the condition corrected? What do I need to know?
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