>>64217530
There's lot of a difference between 9mm, 9mm, 9mm, and 9mm.
80gr to 90gr would be a typical range of projectile weights for .380 Auto, and usually they'd be loaded for a velocity just shy of 1000fps, so it's a pretty light cartridge. There's Buffalo Bore ammo loading a 100gr projectile for a whopping 1200fps, and that'd be both a hefty weight and velocity for .380 Auto, but guns chambered for it aren't typically gonna be built for its use, the entire appeal of the cartridge lies in allowing for lighter and smaller handguns.
Meanwhile, 9x19mm Luger easily approaches 1200fps with a 115gr projectile, and that would be considered a light target load for the cartridge.
Next, a NATO load of 9mm Luger reaches those speeds with an even heavier 124gr projectile, which is actually rather close to common .38 Super loads, though stronger loads of .38 Super do of course exist, being able to push out a heavier 147gr projectile to that same 1200fps velocity, or the same 124gr projectile weight at a blistering +1400fps.
Next, we have .350 Legend, which is .223 Remington if you didn't neck it down and then loaded with with a long 9mm projectile, 180gr going 2100fps is common for this cartridge, and that's actually pretty similar (in weight and velocity anyway), to various loads of the old .30-40 U.S Krag military rifle cartridge.
Finally, I'll add 9x57mm Mauser, which was 7.92x57mm Mauser necked up to 9mm, for putting out a 200gr projectile at 2400fps. Not to be confused with 9x25mm Mauser Export, which was a pistol cartridge, 7.63x25mm Mauser necked up to 9mm, and which is actually very similar to the American .38 Super pistol cartridge, just rimless.
There are many more different 9mms out there.
>cptch: AYYYY