Vanes or seams on cast bullets?
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November 7, 2011, 11:03 PM
Join Date: October 28, 2006
Location: South Central Michigan...near Ohio, Indiana.
When it (fins in vent lines), is caused by too much Tin in the alloy, the bullets are filled out beautifully, and the bullets themselves are perfect...it just is a waste of tin though. And Tin is getting hard to find and more expensive all the time.
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