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Vulcan Classic · April 22, 2010, 02:36 PM

Using .30 ball ammo, how thick does the concrete have to be to stop the bullet? I think a standard poured retaining wall is just shy of 8". Is that enough?

April 22, 2010, 02:36 PM	#1
Vulcan Classic Junior Member Join Date: October 22, 2009 Posts: 14	How safe is a cement wall? Using .30 ball ammo, how thick does the concrete have to be to stop the bullet? I think a standard poured retaining wall is just shy of 8". Is that enough?