The story of the 9mm vs .45 ACP is kind of a strange one. If you asked even self-described “gun people,” they would likely say that the 9mm is the newer cartridge, and the .45 ACP (or .45 Auto) is an ...
Modern Engineering Marvels on MSN
Engineers compare 9mm and .45 ACP: 8 constraints that decide the outcome
There is no standard caliber of handgun that offers an assured “off switch.” The fact that the 9mm vs. .45 ACP debate is never resolved is due to the fact that both have the same ability to arrive in ...
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