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The New .296 caliber

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Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: January/26/2014 at 13:16
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Optics GrassHopper
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The new .296 caliber is here ! Bullets are available in 180,190 and 198gr all are vlds.l have been shooting long-range competitions for 15 years and i've seen a lot of cool stuff. But somthing was missing between the 7mm and the 30cal.That was the .296 cal (I call it the 290) Testing was first conducted on the SAUM cartridge using moly 198gr vlds 3000fps was achieved with 67 grains of RL25 That was max load.My final load was 63 grs of Norma MRP pushing the 198s at 2870fps.I know thats slow but with a ballistic coefficient of .674 , it performs very well.The high bc of 7mm and inherent accuracy of the 30cal has been Blended and it's an awesome flavor! Mac's gunworks can help you if you're interested. Fun , fun go get some Yippee
Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: January/26/2014 at 13:34
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Pretty hard to jump into any caliber right now that one can not find brass, powder, etc for.
Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: January/26/2014 at 13:40
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Optics GrassHopper
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Ya, I hear ya reloading components are hard to come by these days.
Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: January/26/2014 at 15:14
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Nice to get a review of the 296,Thanks & welcome to the OT!
Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: January/27/2014 at 07:32
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Expect to see more information coming out on this caliber in the futureBandito
Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: January/27/2014 at 09:14
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Wow, 198s at 3000FPS with a BC of 0.674, sounds intriguing.  Sounds allot like my favorite 300WM loads, about the same powder too.
 
So...
Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: January/28/2014 at 11:02
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Optics GrassHopper
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A 200 gr 30cal with bc .67+ bc?
Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: January/28/2014 at 11:52
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Now With Kung-Fu Grip!

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Sleep
Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: January/28/2014 at 11:54
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My goto is a 208 Amax, G1 is 0.648 (per Hornady.)

 
I am not saying there isn't a place for the caliber, just that I love my 300WM and will stick with it for now.
 
Take a deep breath and carry on.
Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: January/28/2014 at 13:19
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Sounds kind of like a .270...
Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: January/28/2014 at 14:43
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Welcome to Optics Talk. 

Howdy
Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: January/28/2014 at 17:51
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Optics GrassHopper
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Thanks cheaptrick
Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: January/29/2014 at 04:45
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Frankly, I am not convinced there was enough space between 7mm and 7.62mm for another caliber, but I see no harm in it either.

There is no magic to the ability to push a high BC bullet at good velocity.  All it takes is a properly designed, heavy for the caliber bullet and an appropriately overbore case with a long barrel.

Bryan Litz wrote an excellent article on how bullet weights of different calibers scale in weight for consistent BC:

http://www.appliedballisticsllc.com/index_files/30cal_fullVersion.pdf

If you were looking for particular ballistics, I am sure you could do it with a more commonly available bullet diameter.

For example, people push Berger 180gr VLD out of their 7mm RM at 2900+ fps with reasonable regularity.  That is pretty much the same as what you are getting out of your new caliber, I think.

With 140gr + 6.5 bullets, you should be getting the same ballistics out of 6.5x284.

On the other hand, playing with a new caliber is always fun and if I were looking for something that kicks me more than my 6.5s, without giving me the power of my 338LM, I am sure I would be interested.

ILya
Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: March/25/2014 at 07:40
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now we just need the 23 caliber and we're set!   Anyone remember my post about missing calibers a few years back? Big Grin
Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: July/25/2014 at 05:23
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New rifles are like new girl friends, you just want to play with it and touch it all the time. A hot new cartridge, WHOA!!!!!
Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: July/25/2014 at 22:44
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Originally posted by Urimaginaryfrnd Urimaginaryfrnd wrote:

Pretty hard to jump into any caliber right now that one can not find brass, powder, etc for.

Amen to that ! The world is crumbling like chalk, my priorities are elsewhere,,,,..........

Good luck anyways.......


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