9x21 is primarily a European cartridge, though I think it has seen some adoption in South America and parts of the middle east and Asia. It's my understanding that the intent behind it was to offer a cartridge of different dimensions so as to be different from the NATO standard 9x19, as some countries do not allow civilians to own firearms in "military calibers".
Is there any, even slight, advantage to having a race pistol chambered in x21 rather than x19? A tiny bit more accuracy perhaps?
I would think if you are wanting to go that route, the .38 Super would be a lot easier path and has more power and uses the same bullet.
(9x21 115 gr =>420 ft/lbs./1300 fps., .38 Super 115 gr =>497 ft/lbs./1395 fps.)
Gee, I've been shooting 9x21 for about 20 years. Load it long like a .38 Super and run 'em hot.
If you load it to 9x19 COL, then it is simply a 9x19 that head spaces funny.
For whatever reason, the 9x19 and 9x21 can take more pressure than a .38 Super case. Love people talking about what they have never used.
Remember, don't buy any 9x21 guns. Just let me know about them, please.
The Academy in Webster has this round on the shelves. You guys even know a person who has a gun that can shoot this stuff? They have dredged up all the ammo they can find hoping to sell it to flippers and hoarders, LOL.
The HK MP7 shoots it.
You know of anyone who has one? Do you know where you or any other normal, non-government entity, can go buy one???
Good information 57K! Please try using paragraph breaks. The info is very good but it's hard as Hell to read. Thanks!
"Cartridges of the World" has a very small section on the 9x21. It says that everything about the 9x21 pistols is very similar to a 9x19 including the magazines. The chamber length is the exception. Ballistics are very similar.
Flash