Thread: Savage 12F
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Old September 28, 2012, 11:41 AM   #2
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Join Date: June 18, 2009
Location: Boston
Posts: 448
Put a tight fitting patch on a cleaning rod and start it down the bore. Put a piece of tape on the rod (not the handle, but near the handle; you want the tape to rotate as the patch follows the rifling). Mark a line at the top of the patch and then measure how far you have to push the patch down the bore until the mark on the tape makes one full rotation. That is your twist rate.
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