Quote:
Originally Posted by ABNAK
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.
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.352? that is a millimeter too narrow. That is the cause of the tumbling for sure.