Glock Pro Forums banner

pardon my ignorance...

22801 Views 16 Replies 11 Participants Last post by  __jb
but what does 9x19 mean on my G19? I'm still learning stuff. thanks for being patient. I'm guessing 9mm and the model??
1 - 17 of 17 Posts
Dimensions of the round
the "9" is the diameter of the bullet in millimeters.

the "19" is length of the shell in millimeters.

;)
... as opposed to 9x18 or 9x21. I think those are also dimensions used mostly in other parts of the world.
and there are no dumb questions.. :)
... as opposed to 9x18 or 9x21. I think those are also dimensions used mostly in other parts of the world.
yeah the 9x18 is the makarov round (which has a slightly larger diameter than the 9x19), and the 9x21 is popular in italy where military calibers are illegal for civilians to own, and it mirrors the 9x19 performance but with an unnecessarily longer shell.
... as opposed to 9x18 or 9x21. I think those are also dimensions used mostly in other parts of the world.
....and even better.... the 9X23

The 9X18 is commonly used in the Makarov pistols.
The 9x19 is what we call the 9mm Luger, since it was designed for the P08 in 1908.
The 9X21 is the Super .38, or 38 Super. This round was popular in the 30's because it supposedly defeated body armour.
The 9X23 matches the Largo round, but is made in a Colt 1911 and other 1911s, and it is obviously the most powerful 38 class auto.

All of them use a bullet with the diameter of .355 or .356, where as the .38 special and .357 (duh) magnum use a .357 diameter bullet.

I hope that helps.
Isn't the .380acp also known as a 9mm short in some circles?
....and even better.... the 9X23

The 9X18 is commonly used in the Makarov pistols.
The 9x19 is what we call the 9mm Luger, since it was designed for the P08 in 1908.
The 9X21 is the Super .38, or 38 Super. This round was popular in the 30's because it supposedly defeated body armour.
The 9X23 matches the Largo round, but is made in a Colt 1911 and other 1911s, and it is obviously the most powerful 38 class auto.

All of them use a bullet with the diameter of .355 or .356, where as the .38 special and .357 (duh) magnum use a .357 diameter bullet.

I hope that helps.
the 9x21 and 38 super are two different cartridges :)
Isn't the .380acp also known as a 9mm short in some circles?
yes, and 9mm Kurz in europe.
the 9x21 and 38 super are two different cartridges :)
My bad.
cool. learning every day! thanks!

and the +p, +p+??? I understand hotter round, more grains, = power??
cool. learning every day! thanks!

and the +p, +p+??? I understand hotter round, more grains, = power??
more gunpowder and higher pressure resulting in faster bullet velocity. the +p+ has the higher pressure of the two. there are no saami specs for +P+, although there are for +p 9mm. either one will do fine in glock 9mm's ;)
Look on wikipedia for 9x19. 9x19 includes 9mmPara, 9mm Luger, and 9mm NATO.

There are many other 9mm cartridges that are not 9x19. 9x17(aka .380, 9mm Short, 9mm Kurz), 9x18 Makarov, 9x21, 9x25 Dillon. Probably more as well. I've heard quite a few cases people buying their first firearm, a 9x19 pistol, and it malfunctions for unknown reasons. Come to find out they were shooting 9x18 Makarov in their 9x19 pistol.

You can shoot +P, NATO, and +P+ in your Glock. 9mm Glocks were designed to shoot 9mm NATO actually, which is a light version of 9mm Luger +P.
Dimensions of the round
Exactly. 9mm is the common term used for the 9x19mm Parabellum round that Nato adopted for firearms to try to bridge the problem of every country having different ammo. In combat you kind of want the guy next to you to be shooting the same bullets you are. If you run out you aren't left there with nothing to shoot because the ammo being shot next to you doesn't work in your handgun.

It was a good move. What wasn't a good move was the UN banning the use of hollow points or anything other than hardball ammo. They view it as somehow being inhumane to be shot with a hollow point bullet, but it is OK to be shot with hardball. I can't quite wrap my brain around this logic.
Exactly. 9mm is the common term used for the 9x19mm Parabellum round that Nato adopted for firearms to try to bridge the problem of every country having different ammo. In combat you kind of want the guy next to you to be shooting the same bullets you are. If you run out you aren't left there with nothing to shoot because the ammo being shot next to you doesn't work in your handgun.

It was a good move. What wasn't a good move was the UN banning the use of hollow points or anything other than hardball ammo. They view it as somehow being inhumane to be shot with a hollow point bullet, but it is OK to be shot with hardball. I can't quite wrap my brain around this logic.
That was for the 2 for 1 shots. The UN spent millions on a study that showed the BG's always stack up when advancing. Money saving move.
Hahahaha...

That's a good one...
1 - 17 of 17 Posts
This is an older thread, you may not receive a response, and could be reviving an old thread. Please consider creating a new thread.
Top