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Posted: 7/23/2008 5:48:33 PM EDT
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I have read here that a new bolt and new upper are pretty much good to go. I have an upper and bolt that since new have less than 500 rounds down the pipe. Still realitively safe to go ahead and swap the BCG to another? I bought this LMT upper in 2004 and selected the add BCG option. However, at that time who new what manufacturer it came from. I contacted the place of sale and was told most likely an older CMT. I would just like to upgrade to a LMT or Bravo Co. Thanks |
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Yes, 500 rounds is hardly any rounds at all. The time to worry about headspace is when using barrel or bolt with thousands of rounds down the pipe. I have swapped used parts around a lot and have yet to see a problem with headspace. I check headspace if barrel and/or bolt has seen a lot of use. In your case, if I were you, I would not even bother to check it even though I have the headspacing tools to do that. It does occur in the military I am sure but due to the thousands of rounds some of their weapons fire before swapping bolt and/or barrel. Charles Tatum |
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