Top Definition
The caliber used commonly for all handguns chambered for 9mm. The origins of the caliber are from Germany. This caliber was used in the nazi's Walther P38's.

Today 9x19mm Parabellum is used in all kinds of 9mm handguns, even various submachine guns.
"9mm is thee common name for this caliber."
-me
by Dave February 03, 2004
5 Words related to 9x19mm Parabellum

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