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Folks,
I had several 400+ grain hardcast (18-20BHF), treated, bullets break up on a buffalo sholder and rib.  I was told that a quality alloy, heat treated bullet would not shatter.  Is there a way for me to test a bullet for the .475 Linebaugh to make sure that the bullets will not shatter?
 

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Eddie,

I was told to set the bullet on something hard (concrete floor)and attempt to flatten it with a 2 lb hammer.  I tried this on Beartooth bullets and they just got bigger around and never cracked, but another brand of 385 grain, .475 bullet cracked every time (3 attempts).  Of course, you have to be careful and hit it square.  

Basement scientist,
PJB
 

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Eddie,

You will find, as outlined below, that a simple hammer test will tell much!   Also the alloy content of the bullet will tell volumes!   If the antimony content is above 5%, you can count on a brittle bullet, that brittle nature increasing proportionately to the increase in antimony in the alloy over 5%.

Our alloy is 3% antimony, 1.5% tin, .25% arsenic and the balance is lead.  This alloy has proven over and over to be resilient and ductile during penetration, even through heavy bone mass (see the photo of the .475 bullet recovered from a Cape Buffalo), and not break up like other bullets with higher antimony contents will have a tendency to do.

Here is from a former post:

<!--QuoteBegin--></span><table border="0" align="center" width="95%" cellpadding="3" cellspacing="1"><tr><td>Quote </td></tr><tr><td id="QUOTE"><!--QuoteEBegin-->We recently had two of our customers hunt Cape Buffalo in South Africa using our bullets in their handguns.... successfully!

Both hunters used our .476"-420g LFNGC bullets, one in a custom .475 Linebaugh, the other in a .475 Maximum.  Both of them harvested very nice buffalo with their sixguns.

We rarely get reports of recovered bullets, and even rarer is to have one returned to us.   Thought you folks here might like to see what one of these .476"-420g LFNGC bullets look like after penetrating several feet of Cape Buffalo!  This bullet encountered quite a bit of heavy bone during its travel.

I have not cleaned the bullet in any way, it is exactly as it was sent to us!  It was fired from the standard Linebaugh revolver.   No bullets were recovered from the buff killed with the .475 Maximum.... all were complete penetration shots.



Not bad for measuring penetration through heavy bone mass and muscle by the foot![/quote]

I hope this helps you in sorting out the good, and the bad pills from your loading bench!

God Bless,

Marshall
 
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