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Thread: 7 mag vs 300 win mag
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Old 12-15-2010 | 03:53 PM
  #17  
jerry d
Nontypical Buck
 
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A 7mm w/160gr. bullet has a sectional density of 283.
A .30cal. w/180gr. bullet has a sectional density of 271.
Would that make the 7mm a more effective cartridge for killing game?
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