I'm awaiting the test results.

Christopher A. Young
Learn more about Jesus
www.lds.org
..

wrote in message
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On Sun, 2 Sep 2012 05:58:26 -0400, "Stormin Mormon"
wrote:

Some country folks would use a .22 rimfire rifle, from about 50 feet, to
make the initial hole. 40 grain jacketed solid.

A .22 would not even dent that material. I doubt any pistol would hurt
it unless you have a "cop killer" bullet.
Maybe a .308? If you have an AP round it would be a clean hole.