Quote:
Originally posted by cashflyer
Colloquially, 40 = .40 = 40S&W = 40 cal.
9mm is around .35"
10mm is just over .39"
.40 = .40"
.45 = .45"
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I have a little Kel-Tec P3AT (claimed to be the World’s Lightest .380 Auto Pistol) and was told by someone that a 9MM is the same diameter but the bullet is longer. Is that true?