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Copper Cast

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Old 10-23-2012, 05:37 AM   #11
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One issue you may have to overcome is shrinkage. Bullet molds are cut to allow for the normal shrikage percentage of lead alloys. Copper may come out too big or too small (I do not know how much coper shrinks when it cools from liquid to solid).
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Old 10-23-2012, 05:41 AM   #12
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Originally Posted by Vikingdad View Post
The copper jacket is specifically alloyed for that purpose. Just think how different lead alloys can screw up your bore, lead it up if too soft, etc. Copper will be no different, and I suspect would be more difficult to get the alloy the same every time. I'm just spitballin' here.
That may be true. I didn't think of that. Thank you.

And Robo, another very good point.
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