If nobody comes up with a solid number...
Items needed;
Cleaning rod x/jag and patch
masking tape
black marker
ruller
1. take the masking tape and make a little flag at the handle end of the rod
2. place patch on jag, and push into barrel past the chamber.
3. take the marker and mark the rod flush with the port
4. push the rod down the bore, watching the flag to make one full revolution
6. mark the rod flush with the port, and remove from bore
7. measure the distance between mark #1 and mark #2, twist will be this value 1:__
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