#17174
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lci115lewis
Survivalist
member3

Somewhere I have a copy of one of the US Civil War manuals that list how much of different materials is required to protect from different kinds of incoming traffic ( I think it went from smooth bore muskets up to some of the large siege artillery, I know it definitely covers the .58 cal rifle muskets through at least 12 pound howitzer and 3 inch rifle.

Rob