Modern Engineering Marvels on MSN
The FBI test that quietly dismantled the .40 caliber advantage
The .40 S&W did not lose its edge in a shouting match about stopping power. It lost it in a test regime built to strip away ...
Modern Engineering Marvels on MSN
The FBI’s 9mm return showed why bullet design beats caliber myths
An operating room surgeon or medical examiner cannot reliably tell the difference between wounds from common service handgun calibers in the .35 to .45 range. That plain reality did more to weaken ...
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