Thread: How to measure "groove" dimension
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Old 03-12-2010, 11:35 PM
whelenshooter whelenshooter is offline
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Quote:
Originally Posted by NKJ nut View Post
Dang, now you tell me. I had the slug up to 1,500 rpm and the little needle on the caliber at 300 rpm and still couldn't get a good measurement.
You almost had 'er! 1,501 rpm would have done it!
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