I'm sure nylon would be OK. Just don't do steel to steel. Be sure and mark your starting place so you know how much you've moved it. I found on a 6" barrel, the width of the witness mark was 3 inches, at 15 yards, YMMV.
FN
Last edited by FNorm; 12-04-2010 at 10:14 AM.
Reason: ed
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