02-10-2011, 07:04 PM
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Beartooth Regular
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Join Date: Sep 2004
Location: Fort Wayne, IN
Posts: 887
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You can stick a cleaning rod down the barrel with a tight fitting patch on the end. Mark where you start and where the rod has made a complete revolution, then measure the distance between the marks. That will be "1 turn in X inches", which will be your twist.
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Linear Mode
