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View Full Version : New cartridge: 6.5x25 CBJ (a necked-down 9mm)


JeremyS
11-27-2012, 3:57 PM
Spiffy.

http://www.cbjtech.com/sida.asp?sida=2_6.5x25%20CBJ

^^^ all the info on development, bullet options, ballistics including trajectory, guns made for it, etc... 2,950+ FPS


http://www.cbjtech.com/filer/6.5x25-CBJ-cartridge-family-3.jpg

http://www.cbjtech.com/filer/6.5x25-CBJ-Ball-and-9x19.jpg

http://www.cbjtech.com/filer/CBJ-MS-x-3.jpg



The 6.5x25 CBJ Ball is the standard cartridge with a tungsten projectile enclosed in a discarding plastic sabot. It is not to be considered as a special armor piercing cartridge, but as an all-round military ball cartridge with very good penetration capability.

It offers high penetration and wounding effect even at long range, and is effective against all targets normally engaged with small arms fire. This includes light skinned ground vehicles, helicopters etc. at closer range, as well as personnel with high levels of protection at distances of up to 300m+.

The low friction of the bullet against the bore among other factors gives high endurance for prolonged firing without overheating the weapon.

A very important feature of the discarding sabot, is that it does not disintegrate. It stays intact after leaving the projectile and follows its path and drops to the ground at 20-25 meters from the muzzle. A typical spread pattern of the sabot at 10 meters range is within a 0,2m radius of the projectile's trajectory.

opie4386
11-27-2012, 4:05 PM
Mini 7.62x25?

The website says 900fps? I dunno not doing it for me

Euphoria526
11-27-2012, 4:10 PM
So like the 357 SIG is to 40 S&W
This will be to 9mm??

The Mad Mule
11-27-2012, 4:14 PM
6.5x25 CBJ Ball
6.5x25 CBJ ST
6.5x25 CBJ HET
6.5x25 CBJ Subsonic AP
6.5x25 CBJ TRP
6.5x25 CBJ Frangible
6.5x25 CBJ Blank
6.5x25 CBJ Drill



Geez, that's a lot to choose from.

JeremyS
11-27-2012, 4:15 PM
The website says 900fps? I dunno not doing it for me

It says 900 meters per second. That's almost 3,000 fps.

Capybara
11-27-2012, 4:38 PM
From a design viewpoint, pretty interesting.

From a shooter viewpoint, this ammo will be expensive, difficult to find and difficult to reload, I wouldn't buy it. Ammo is already getting ridiculously expensive in normal calibers. A new specialty round will just cost that much more and be that much more difficult to find in stock.

dholla
11-27-2012, 4:46 PM
big brother of the 5.7

Dark Mod
11-27-2012, 4:54 PM
It says 900 meters per second. That's almost 3,000 fps.

3000 fps!? im in.

Much better than 5.7, especially for reloaders since its a necked down 9mm. If only they used a more common bullet...

edit: i didnt read the article, but how is it possible that they neck down a 9mm (9x19) to 6.5x25? Does the brass really stretch 6 mm? more like 7 or 8 to compensate for the bottleneck?

i hope this isnt going to be an expensive proprietary round that you have to buy new brass for

11011500a
11-27-2012, 4:54 PM
Fun idea like the .22 Tokarev round.

JeremyS
11-27-2012, 5:05 PM
...also like the .22 TCM, which is a necked-down 9mm para

POLICESTATE
11-27-2012, 5:06 PM
Perfect round for the NWO to use in mass executions.

hermosabeach
11-27-2012, 5:20 PM
The old broom handle and CZ52 use the 7.62x 25
It is effectively 9mm bottle necked to 7.62.
(You can buy 9mm barrels for the CZ 52 and all you need to change is the barrel.)

The round is quick 1400+ fps in shooting plates at the range, the 7.62x 25 will not knock over steel silouttes that a 9mm will knock over.

I guess dropping the bullet weight and diameter is not going to be a "Game Changer"

Here is I do on the 100 year old round
http://en.m.wikipedia.org/wiki/7.62x25mm_Tokarev

leitung
11-27-2012, 6:15 PM
Us escapees will have to pickup one of those guns chambered in that caliber eventually. I am always interested in new calibers.

JeremyS
11-27-2012, 6:30 PM
Us escapees will have to pickup one of those guns chambered in that caliber eventually. I am always interested in new calibers.

If you have any 9mm, it sounds like all you would need is a new barrel. Magazines, recoil springs, etc all remain the same since the cartridge is 9mm brass (so breech face, extractor, mags, etc are all perfect for it already) and the total energy of it is on the high end of 9mm territory as well. So.... a new barrel and that's it.

elsolo
11-27-2012, 11:25 PM
3000 fps!? im in.

Much better than 5.7, especially for reloaders since its a necked down 9mm. If only they used a more common bullet...

edit: i didnt read the article, but how is it possible that they neck down a 9mm (9x19) to 6.5x25? Does the brass really stretch 6 mm? more like 7 or 8 to compensate for the bottleneck?

i hope this isnt going to be an expensive proprietary round that you have to buy new brass for

Look at the case length compared to a 9x19, not going to forming your own brass.

zfields
11-28-2012, 12:23 AM
...also like the .22 TCM, which is a necked-down 9mm para

Thats what I was thinking this caliber was similar to. FPS is a bit higher though.

Lugiahua
11-28-2012, 12:34 AM
This includes light skinned ground vehicles, helicopters etc. at closer range, as well as personnel with high levels of protection at distances of up to 300m+.


a handgun cartridge capable of defeating helicopters?

The Mad Mule
11-28-2012, 12:40 AM
a handgun cartridge capable of defeating helicopters?

You should see what a 1911 does to a tank in Saving Private Ryan.

Firerescuebatt07
11-28-2012, 12:42 AM
that looks pretty interesting

Lead Waster
11-28-2012, 1:01 AM
a handgun cartridge capable of defeating helicopters?

Pretty sure the Channel 5 Traffic Copter would come down pretty quick!!

DarkSoul
11-28-2012, 11:16 AM
Looks like another take on the 22 TCM

http://the-zombie-hunter.blogspot.com/2011/08/small-bullet-bit-hit-new-armscor-22-tcm.html

Just a bigger projectile, 6.5 instead of 5.5

However, the case is longer than a 9mm, so its not really a necked down 9mm round, it just starts with that diameter case. I would like to see a round that is an actual necked down 9mm or a way cut down 5.56, short enough to fit right into a re-barreled 9mm pistol.

bohoki
11-28-2012, 11:21 AM
them are some weird lookin uzis

love the bipod hilarious

paul0660
11-28-2012, 11:21 AM
Look at the case length compared to a 9x19, not going to forming your own brass.

yes, I don't see what this has to do with 9x19. Too long to feed even with a new barrel.

stix213
11-28-2012, 1:59 PM
When lone wolf makes a glock barrel I'll be interested.

JeremyS
11-28-2012, 2:30 PM
Looks like another take on the 22 TCM

http://the-zombie-hunter.blogspot.com/2011/08/small-bullet-bit-hit-new-armscor-22-tcm.html

Just a bigger projectile, 6.5 instead of 5.5

...I wouldn't quite say just a bigger projectile, as it's also hitting velocities of 2,950+ FPS, whereas the .22 TCM is usually around 2,050 FPS... plus it's supposed to be a military round, not a plinking round, so they have all sorts of weird exotic bullets, which is always fun :cool:

Black Majik
11-28-2012, 2:36 PM
Spiffy.

http://www.cbjtech.com/filer/6.5x25-CBJ-cartridge-family-3.jpg

http://www.cbjtech.com/filer/6.5x25-CBJ-Ball-and-9x19.jpg


It looks like it shoots jelly beans... yum...