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Old 02-20-2011, 09:00 PM
Avimimus Avimimus is offline
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Join Date: Oct 2007
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There was a really great article posted a few years ago on the SimHQ forum.

Apparently, passing through a 2mm aluminum sheet introduces considerable yaw (in the ballistic - not aeroplane sense) to the bullet. This lowers terminal penetration by something like 30% because it no longer hits head-on.
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