Ultimate do everything but not over do anything cartridge for all big game hunting

Well Cam, you have more knowledge of firearms than most of us on here, so you would certainly pick what you considered best.
But for the general question, the one and only rifle would surely be the 30-06. I note that several are saying a 30-06, except for grizzly. Did I miss something here? Are grizzly bears now equipped with bullet proof hides, or bones that don't break? Do you need a larger rifle than a 30-06 for grizzly?
Grancel Fitz was a trophy hunter and was very instrumental in the Boone and Crocket Club scoring system. He set out to get a record book size speciman of all north american game. He got many records, I think it was eleven different species, but one I will mention was in 1953 he shot a grizzly bear on the Klini Klini River in BC, that tied the world record grizzly, shot in 1890. Grancel Fitz shot all his game with a 30-06 rifle. He didn't reload, so he used factory ammunition. For grizzly he preferred 220 grain bullets.
Hosea Sarber was probably the best known of the Alaska brown bear guides. He had a saying that one in 25 grizzlies was out to kill you, and the problem was they didn't wear numbers on their backs, so you never knew when you might meet number 25.
Frank Dufresne, one of my all time favourite outdoor writers and another Alaskan, in his book, "No Room for Bears, tells of a killer Alaskan brown bear that Hosea Sarber went after. A ranger and a young assistant was in thick bush along a creek on Admiralty Island when they were attacked by a brown bear. The ranger got a quick shot away, but the bear killed him, while the assistant escaped. They got the body out, then Hosea Sarber went after the killer bear. He said this was a for sure # 25!
He said he was carrying his favourite rifle, a 30-06 sporter and he had 220 grain open point expanding ammunition. He encountered the bear at close quarters and the bear roared, worse than he had ever before heard, but the bottom line is he killed the big brown with one shot from his 30-06.
So here we have one of the most, if not the most, experienced brown bear guide in Alaska, going after a killer brown bear and the rifle he takes is a 30-06. Damn, those 30-06 rifles must have something going for them!
Edited to say that that Hosea Sarber's rifle had iron peep sights, with a large size aperature.
 
H I totally agree and am the first to admit a 30-06 is a very capable round but when distances get longer and the shots tougher meaning the animal is moving fast and there is no time to waste thinking what your trajectory/drop is a flat trajectory capable round that hits with authority is better/makes it easier to hit.

I guess that is why I also have and regularly hunt with my 300RUM & 375RUM rifles but that isn't the issue what I am trying to say is for all round performance on North American game a fast 270 is what I feel is the best even though both the 300 & 375RUM rifles I have would easily out pace it...

My points again are flat trajectory without unnecessary recoil = 270 Weatherby...


;)
 
A cartridge and rifle that 'does everything' has to be set up for the worst or toughest situation. It does not mean 'usually OK for most cases'.

That means the combination has to deliver minimum kinetic energy to reliably kill the largest expected animal at point of impact at the furthest distance expected - with sufficient precision and accuracy to reliably hit at that distance.

So what is your maximum distance, largest and toughest animal. What cartridge and rifle can deliver that? You'd be considering a large elk or bear at 800 meters across a somewhat gusty valley, and be able to hit a large orange cold-bore at that distance, 5 out of 5 times.

The minimum would have to be a 338 LM; possibly some sort of custom 378. Accurized or custom-made in any case. The problem is (besides carrying a 20-pound rifle up to sheep country) how do you swing such a rifle into action when a whitetail crashes through the bush 45 yards in front of you, disappearing down into a draw?

If we only consider the cartridge, but several different rifles, it would still have to be the same 338LM or 378 cartridge. But, you could launch it from different rifles.
 
.30-06 killed anything on this continent for many, many years without optics, camo, ATVs, GPS, scent blockers, etc, etc. Funny thing is, it can still do it today.
 
But for the general question, the one and only rifle would surely be the 30-06. I note that several are saying a 30-06, except for grizzly. Did I miss something here? Are grizzly bears now equipped with bullet proof hides, or bones that don't break? Do you need a larger rifle than a 30-06 for grizzly?
Grancel Fitz was a trophy hunter and was very instrumental in the Boone and Crocket Club scoring system. He set out to get a record book size speciman of all north american game. He got many records, I think it was eleven different species, but one I will mention was in 1953 he shot a grizzly bear on the Klini Klini River in BC, that tied the world record grizzly, shot in 1890. Grancel Fitz shot all his game with a 30-06 rifle. He didn't reload, so he used factory ammunition. For grizzly he preferred 220 grain bullets.
Hosea Sarber was probably the best known of the Alaska brown bear guides. He had a saying that one in 25 grizzlies was out to kill you, and the problem was they didn't wear numbers on their backs, so you never knew when you might meet number 25.
Frank Dufresne, one of my all time favourite outdoor writers and another Alaskan, in his book, "No Room for Bears, tells of a killer Alaskan brown bear that Hosea Sarber went after. A ranger and a young assistant was in thick bush along a creek on Admiralty Island when they were attacked by a brown bear. The ranger got a quick shot away, but the bear killed him, while the assistant escaped. They got the body out, then Hosea Sarber went after the killer bear. He said this was a for sure # 25!
He said he was carrying his favourite rifle, a 30-06 sporter and he had 220 grain open point expanding ammunition. He encountered the bear at close quarters and the bear roared, worse than he had ever before heard, but the bottom line is he killed the big brown with one shot from his 30-06.
So here we have one of the most, if not the most, experienced brown bear guide in Alaska, going after a killer brown bear and the rifle he takes is a 30-06. Damn, those 30-06 rifles must have something going for them!
Edited to say that that Hosea Sarber's rifle had iron peep sights, with a large size aperature.

I was going to bring up the same story about Hosea Sarber, but I like to read all the way through the thread before I post. Just to get the general gist of things. No sense repeating what others have so eloquently said already. And if, as the man said, intelligence is measured by how much someone agrees with you, then for all our disagreements, H4831 must be a genius.
And thanks for the additional story of Grancel. I was just reading this week about the creation of the Boone and Crockett Club and some of its founding members. Definitely pillars of the community.
 
338Wm.
It's all you need on this continent.
Can be loaded down to approximate the '06 for lighter stuff. Has the reach, and the power, plus the bore size works well up close.

And H4831 is quite right about the '06. It can work too. But, the '06 is boring. :)

Remember that the record grizzly was held for a number of years, by the 30-30 Winchester.
 
If you know ahead of time you will be taking big bears and Bison (along with all the smaller stuff), then I'd say .338 win mag, handloaded, is very, very, hard to beat. Especially with all the bullet choices you have now, from 160gr Barnes X bullet to 300gr Woodleigh RN.
 
I love my 300RUM and it can drive a heavy deep penetrating bullet very quick. But I had the pleasure of shooting a friend's muzzle braked 378 Weatherby. Wow! 30-06 trajectory and mega-power. The recoil off the bench was about the same as a hot 220 grain 30-06 load with no brake. But I would factor in ammo weight and rifle length for a do-all rifle. That means a 376 Steyr in their scout rifle or it's little imposter, er I mean copy cat, the 375 Ruger in Rugers bolt guns.
 
7mm Rem Mag with 160's at 3000 or 30-06 with 165's at 2900........recoil the same, trajectory favours the 7 but only out where most of us have no business shooting anyway.
 
.30-06, .303British (lots of elephants have died of .303British poisoning, with the right bullets it can do what needs to be done in N.America,) .308Winchester
 
Swedish, or .308

I can't decide between the 6.5 Swedish and the .308. I'd rather not be facing an angry Grizzly with either, but I'd rather not deal with a .375 for the other 99.9% of the hunting I do. I'm confident that properly loaded and placed either would drop the largest herbivores on this continent.
 
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