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What's the next greatest rifle chambering?

My Reloading Books,.. Show, the .308 Winchester with,.. a 20 Degree, shoulder.
But, YES, the .308 Win., is Good, as,. IS !
The 7mm-08 and .260 Rem came Off, the .308 case and are also,.. FINE Cartridges !
Also same, 20* shoulders

Yes, the 308 is 20 degrees I see in looking at the SAAMI drawing...someone surely must have tried a 30 degree shoulder I would think by now. Hmmm...ok, I thought it was a 30 degree shoulder. Most of the Ackley shoulders were 40. Maybe a 308 Creedmoor will surface one day, or 308 PRC?
 
We don't need a new cartridge, we need technology improvements for what we already have. Yes the advancements over the last 20 years have provided more affordable accuracy, and needs to continue further.

Earlier I mentioned the 277 Fury, as it has an 80,000 psi case, that's like 30% higher than most cartridges which are somewhere between 60,000 psi and 65,000 psi at best. Some are in the 50s. I don't know if this specific cartridge is the best, but it's the one that was created first. The metal bottom with the brass top is just as you say above, "improvements to what we already have".

I also think there could be merit in 8.6 blackout, it's an area that piggy backed on the 300 blackout development using a large projectile in a smaller case. The BR crowd here will always create wildcat cartridges, changing the shoulder or other parts of the case, I doubt that will change.

To me, either of these could be taking hunting to a new level. Probably not the best for BR/PRS.
 
Earlier I mentioned the 277 Fury, as it has an 80,000 psi case, that's like 30% higher than most cartridges which are somewhere between 60,000 psi and 65,000 psi at best. Some are in the 50s. I don't know if this specific cartridge is the best, but it's the one that was created first. The metal bottom with the brass top is just as you say above, "improvements to what we already have".

I also think there could be merit in 8.6 blackout, it's an area that piggy backed on the 300 blackout development using a large projectile in a smaller case. The BR crowd here will always create wildcat cartridges, changing the shoulder or other parts of the case, I doubt that will change.

To me, either of these could be taking hunting to a new level. Probably not the best for BR/PRS.
These "O'Connor Steel Heads" were advertised in the back pages of various shooting mags back in the 80s or so. 30-06 basic size. I wonder why they never took off?

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1726285579698.jpeg
 
These "O'Connor Steel Heads" were advertised in the back pages of various shooting mags back in the 80s or so. 30-06 basic size. I wonder why they never took off?

Yes, didn't know about those. Was really just pointing out that this seems like progress if we think about our capabilities. If the 277 Fury doesn't work correctly, it will pan out quickly.

im curious about the new .277 fury. The pressures that they are advertising are insane. Curious how long this sticks around.

Yes, I agree, it's a huge step. First reports are that they can't get near that amount of pressure. So I don't know if it's viable, just that it could be and is probably something to watch.

What @358WCF posted above is interesting. I didn't know about that. That may burst the bubble on 277 Fury, not sure.
 
Weatherby’s RPM line of cartridges barely made a blip on the radar but the design is extremely interesting.

Yes, and the 307 action tosses some fuel to the fire, possibly? At first they only offered LA with a magnum bolt face, but recently started to offer the SA with a magnum bolt face. A builder could have used a LA and built a 6.5 PRC, as an example, but not in a SA. Now they do offer that, but oddly I had asked them about that and they told me they had no plans for that. Their 6.5 RPM is a rebated rim, so it uses a .472 bolt face. I guess that was their original thinking, that they have a 6.5 PRC (essentially) that uses a standard bolt face like the 308 or 6.5 Creedmoor. They still offer some other Weatherby cartridges, but seem to be chasing the populous rather than rely on Weatherby cartridges which require they provide brass and ammo for as well. I would imagine that ammo is a fairly big part of their business. There must be thousands of Weatherby rifles out in circulation, I would assume some that don't reload. Some are available from other vendors, but we all know how people trust the vendor of their rifle more, even if it costs them more.
 
The 6.5 Creedmoor took America's attention by storm, but it's been a while since its introduction. Love it or hate it they make more match ammo great bullets and cases for a Creed than anything else. But I imagine some manufacturer is getting antsy to come out with something new. But I am uncertain as to whether the current scramble to make guns and components to keep up with demand will stifle a new introduction. But sooner or later some maker of rifles will want a bigger piece of the pie. What will be the new latest and greatest rifle cartridge to be introduced? Will it be another Hornaday offering or will someone else come up with it?
The 6.5 Creedmoor didn't and won't take me over by storm. I am no "Fanboy" and I most certainly am an infidel.

Danny
 
6.5 Creedmoor isn't anything more special than many other short action cartridges. However what Hornady does do that other didn't (looking at you remington) is when they have a good idea, they actually support it. 260 Rem is a classic example. Remington pushes it through SAAMI and gets it stamped as a commercial cartridge. Offers a few guns chambered in it, but only offers a couple choices of basic hunting ammo and zero marketing afterwards. Its an excellent cartridge capable of hunting up to elk, 1000y accuracy, short action, and plenty of good bullets available. Same story with the 6.8spc (except they screwed up the SAAMI print dimensions). 6br Rem. 6rem. You get the point.

So, not necessarily the next greatest, but next fully supported, development driven, marketed cartridge is what I'm hoping for. In my perfect world it would include some of the odd caliber bullets like 25 and 27 as well as x57 brass. Both are severely lacking in support and products despite excellent perfermance.
 
The 300 WSM was one of the few new designs that lived up to the hype.
Not surprising that the new straight wall cartridges have become so popular for muzzleloader seasons.
There are plenty of old cartridges that manufacturers could revisit.
 
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The 6.5 Creedmoor didn't and won't take me over by storm. I am no "Fanboy" and I most certainly am an infidel.

Danny
Yup,. Me neither, I went,.. "Kicking and Screaming" to,.. the Dark side !
AFTER several years of, Bad mouthing It, myself ( It really AIN'T, a Long Range,.. ELK Rifle ! ).
I gave my .243 Win Tikka to my 12 y/o grandson, then decided that, I "Needed" another Rifle, something, a Little More powerful than, the .243 Win. But NOT, as much power as, a .308 Win or .270 Win. to shoot, Steel.
I am to the Point, where I seriously Dislike, Recoil and didn't want to shoot anything, with more than, a 150 grain Bullet @ 3,000 FPS,. So, it was,.. try the 6.5 Creed. !
For Me, It "Works" with, a 130 grain, ELD-M's, OTM Hyb. Bergers or, Sierra's at, 2,800+ FPS out of, a Braked Tikka,.. WHAT,. Fun ! ( Pew,.. Ping ! ) And, I can shoot it,.. All Day, Long !
My .338 Win Mag., "Flinch" is Finally,.. GONE !!! There were NO, Brakes or, Range Finders when, I was a Young man !
 
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Do any of you remember the.308 fanboys? Raise your hand if you know one or are one.
I don't own a 6.5 Creedmoor but I know where I can get my hands on a barely used barrel and die set cheap. I have plenty of once fired range brass, primers, powder, and bullets for my .260 that possibly would work.
All I know about the 6.5 Creedmoor is that everyone I have shot and all of them out to 1000 yards, shot well and with factory labeled Match ammo.
 
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https://backfire.tv/popular-cartridges/ Just because you and I don't have a Creedmoor doesn't mean it has not taken the market by storm. I have several 260 Rimingtons and see no need. But if I had no 6.5s I would be stupid not to join the Creedmoor bunch of groupies.
Yup,. it's funny that, the 6.5x55 Swede, the .260 Rem and, the 6.5x47 Lapua are, TOTALLY, "Accepted" but,..
the 6.5 Creedmoor is, Hated,.. especially By, the guys who've probably,.. NEVER,.. shot, One !
They All "Do", very CLOSE to, the SAME,.."Thing" ,. LOL !
It's All about,.. the Ballistic's !
 
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The 6.5 Creedmoor took America's attention by storm, but it's been a while since its introduction. Love it or hate it they make more match ammo great bullets and cases for a Creed than anything else. But I imagine some manufacturer is getting antsy to come out with something new. But I am uncertain as to whether the current scramble to make guns and components to keep up with demand will stifle a new introduction. But sooner or later some maker of rifles will want a bigger piece of the pie. What will be the new latest and greatest rifle cartridge to be introduced? Will it be another Hornaday offering or will someone else come up with it?
Great, actually superb 6.5 bullets existed long before the 6.5 CMB.

For this audience, factory ammo is not a criterion for validation. Factory 270 ammo is abundant but it is a very disappointing cartridge. Guess it was wiz bang 100 years ago. Sort of the 6.5 CMB of 1923.

Yup,. it's funny that, the 6.5x55 Swede, the .260 Rem and, the 6.5x47 Lapua are, TOTALLY, "Accepted" but,..
the 6.5 Creedmoor is,.. Hated,.. especially By, the guys who've probably,.. NEVER,.. shot, One !
They All "Do", close to, the SAME,.."Thing" ,. LOL !
It's All about,.. the Ballistic's !
I don't 'hate' the 6.5 CMB. 6.5 is a great caliber. I struggle with the fanboi exuberance where they extol the virtues of the item with a cult like rote recitation while having little actual knowledge. i.e. "Hemi". Pretty much every automotive engine has a hemispherical combustion chamber but Stillantis owns the name so only they can use it.
 
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Great, actually superb 6.5 bullets existed long before the 6.5 CMB.

For this audience, factory ammo is not a criterion for validation. Factory 270 ammo is abundant but it is a very disappointing cartridge. Guess it was wiz bang 100 years ago. Sort of the 6.5 CMB of 1923.
YES,. the Low recoiling, 130 grain, .270 Winchester WAS "the Creedmoor" of It's Day,.. in the 1960's !
At 15 y/o, I was shooting, a .30-06 with 180 grain Bullets, as It WAS,.. Manly ! ( LOL !,. Ouch ! )
 

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