there isn't any. The Luger name (actually a Stoeger trademark) got popular in America and the Parabellum (DWM's telegraphic address) got used in Europe
.380 is 9x17mm. It is also called 9mm Kurz and 9mm Browning Short.
Then there's 9mm Makarov, aka 9x18mm (even though it's more like 9.2mm).
The most popular is what is generally just referred to as 9mm. This is the same as 9mm Luger, 9mm Parabellum, 9mm NATO, and 9x19mm.
From there it gets more confusing, as there's other calibers that can be considered 9mm, like 9x21mm, 9x23mm, .38 special, .357 magnum, and .38 super. The differences of all of these are case length, bullet weight, and whether they are rimmed (for use in a revolver) or not.
Bouncing off this topic, and being somewhat of an Foolish New Guy when it comes to things that go bang...is there anywhere on the web or in the bookstore that explains all the different cartridges, calibers and whatnot? "OK, a .357 can shoot .38's, but a .44 Special isn't the same as a .44 Mag except on alternate Tuesdays when the moon is in Libra..."
Sheesh. I thought learning my way around Honda V-4 carbs was hard...!!
"but a .44 Special isn't the same as a .44 Mag except on alternate Tuesdays when the moon is in Libra..." "
But a 44mag will shoot 44 specials all day long
However it is always a good bet to only use ammo tht your firearm is specificly marked for. When in dought ASK. And I don't mean the guy behind the counter ask the manufacture of your firearm. However once you learn the common names for the ammo you are buying you can have alot of fun with the guy at the counter at Wally World Here's an interesting site about ammunition
I thought "parabellum" meant "a plane curve generated by a point moving so that its distance from a fixed point is equal to its distance from a fixed line"
... oh wait...
The shape of a standard FMJ 9mm is a parabola, right?
I sold my calif. Saeco 9mm bullet molds to have the cast lead bullets sized .356 and the .38/.357 for .358 now jacketed bullets are a thousanths smaller.
Hell , you know what? I use all those designations: 9X19, 9m/m Luger, and 9m/m Parabellum.
In my writings here on THR, I probably use the
word Parabellum most often?
My CCW training guy said that the differences between .357 and .38's measurments come to be due to measurements from land-to-land and groove-to-groove. I dont' know if this is applicable or what, but umm... yeah...
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