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Old 10-09-2012, 07:57   #48
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Join Date: Sep 1999
Location: Hartford, Vermont
Posts: 17,125
Originally Posted by ABNAK View Post
Okay, I just slid the micrometer (mine this time) up and down the bullet and it was a consistent .352" along it's length. There wasn't a discernable cannelure, just an indentation and then resumption of diameter on the upside. Kinda looked like a mushroom.

Bottom line? It's undersized.
.352? that is a millimeter too narrow. That is the cause of the tumbling for sure.
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