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Newbie ?? What 9mm does a glock use exactly ?

5703 Views 6 Replies 6 Participants Last post by  Merkavaboy
Hi...Somethinzfishy here. First of all I am totally new to the whole firearm scene and have been spending months doing research into what a first handgun would be. I am 35 years old and my brother in law finally talked me into the whole thing. I am very interested in purchasing a G19 and everyone here seems to love them so my question is about that...
Ok dont kill me here but I have stupid newbie bullet question...
On glock.com when you look at the specs for models when you read the info on the G19 it says caliber is 9X19...Ok so its a 9mm...
But just for fun when I look up prices on ammo and what it is going to cost me to shoot I'm confused because there are 9mm " choices ".
9mm - 9mm 9X18 - 9mm Luger and a few more I think so....
As far as a G19 goes if I'm thinking about buying one and of course learning how to shoot the right way and have training at a ranger and all that......what caliber exactly does a glock 19 use because I'm confused ?
Is there the option of 9mm but with different lengths or something ?
Also for a beginner at a range learning the ins and out of the sport and target shooting what is a good round for a G19?
I am aware that th ranger guys say to come try out different guns before making a final decision so I get that but Geeeeeezzzzz these G19's look so darn nifty !!!
But again and please excuse the long windedness what exactly does a G19 use - round wise ??
Thanks
- Somethinzfishy
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"The 9mm" (as in the typical 9mm) is the 9mm Luger. As noted it's known by many names.

9X19mm (diameter and length of cartridge), 9mm Luger (after the inventor of both the round and the pistol) 9mm Auto. 9mm Parabellum (the other common name) or "9 Para".

In Germany for military use it used to be called the Patrone '08 (cartridge used in the P08, the Luger). All the same ammunition.



Various other 9mm cartridges which will NOT ( I REPEAT NOT ) work in a Glock 19:
9X17mm (9mm Kurz, 9mm Browning Short, .380 ACP or Automatic Colt Pistol) which is shorter.

9X18mm Makarov (also shorter just slightly) primarily used in the Makarov Russian service pistol and a few others.

9X23mm Bergmann-Bayard (the old Spanish service round)
9X20mm (I think) Browning Long (you'll highly unlikely EVER find this round)
9X21mm IMI (There are Glock 19s chambered in this round, but only for European usage, for countries where military rounds are not for civilian usage)
9X25mm Dillon (competition round)

Most of those rounds you'll never find except in odd corners of a large gunshop. Typically just make sure it's 9mm Parabellum/Auto/Luger and you're good.

For range use, shoot FMJ (Full metal jacket, like the military uses) it's cheap and does fine. For home defense/personal defense use hollowpoints (JHP, jacketed hollowpoint) like the Federal HST, Hydrashok, Remington Goldensaber, Winchester SXT, etc.

Do not use plain lead (no jacket at all) bullets in a Glock. Since most shops sell FMJ for range use, not a real problem, but just so you know. The rifling in Glocks and plain lead rounds do not agree and will shave some off, eventually building up to where you can overpressure and make your gun go kaboom. Not a problem with any jacketed ammo.
 
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