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Old July 31, 2011, 09:49 PM   #6
mehavey
Senior Member
 
Join Date: June 17, 2010
Location: Virginia
Posts: 3,061
Quote:
I thought more powder = deeper penetration.
It depends entirely on the bullet's design for specific performance against specific materials at specific velocities. Modern weapons/cartridges are literally an engineering system of systems to this end. Push things beyond design and those things come unglued.

EX:
A 22 Long Rifle drundling along at 1,000 fps will get far deeper penetration with its 40gr bullet than a 220 Swift with its 40-grainer ....doing 4,200.

( I gare-on-tee. )
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