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Thread: copper bullets
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February 9th, 2014, 01:36 PM #1Banned
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copper bullets
Have any of you cast or used copper bullets? What was your experience?
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February 9th, 2014, 01:44 PM #2Grand Member
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Re: copper bullets
Are asking if anyone has cast their own copper solids?
I have not and would think the temperatures required to work with it would not play well with some molds (aluminum). Resizing would also be a challenge if required.
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February 9th, 2014, 02:54 PM #3
Re: copper bullets
Melting point of lead (Pb) is 600.61° Kelvin, or 327.46° Celsius, or 621.4° Fahrenheit.
Melting point of copper (Cu) is 1,357.77°K, or 1,084.62°C, or 1,984.32°F.
Melting point of aluminum (Al) is 933.47°K, or 660.32°C, or 1,220.58 °F.
Bottom line - Molten copper would melt an aluminum mold. A cast iron (Fe) mold would be required (the melting point of iron is 1811°K, or 1,538°C, or 2,800°F.
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February 9th, 2014, 03:07 PM #4
Re: copper bullets
Copper bullets that are currently on the market are made via CNC machine. Lehigh Defense is one of the most recognized manufacturer of full copper bullets.
My feedback thread: http://forum.pafoa.org/feedback-109/219616-rxm.html
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February 9th, 2014, 05:06 PM #5
Re: copper bullets
One way is by using a heavy press to swage the copper around a lead core.
http://www.camdenrgc.com/bulletmakin...r_jacketed.htm
First read about it over at the castboolit site: http://castboolits.gunloads.com/foru...php?41-Swaging
Edit: never done it still learning about casting pb.It ain't what they call you, it's what you answer to.
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February 9th, 2014, 05:47 PM #6
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February 10th, 2014, 10:26 AM #7Junior Member
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Re: copper bullets
Why would you want to?
Lead is more than 25% more dense than copper. That means that it's got 25% more mass and therefore energy and stopping power for the same size bullet.
Plus lead is what firearms are designed to fire.
Matt
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February 10th, 2014, 12:21 PM #8
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February 10th, 2014, 12:23 PM #9Grand Member
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Re: copper bullets
I'm still not 100% clear on exactly what the OP is asking. Maybe he'll return to explain...?
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February 10th, 2014, 12:41 PM #10Super Member
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