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Old 10-02-2012, 16:22   #21
SCmasterblaster
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Join Date: Sep 1999
Location: Hartford, Vermont
Posts: 16,034
Quote:
Originally Posted by Warp View Post
Terminal performance isn't measured in grains.

Also, we are talking "short barrels" here. 4.5" barrels need not apply.
Bullet weight certainly does matter. 1/2mass x velocity squared is the formula for kinetic energy. The bullet weight in grains times the velocity equals the power factor.
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