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quote:
Originally posted by RIP:
quote:
Originally posted by Gustavo:
quote:
Originally posted by 458Win:
Didn't Jack Lott try something like that and write it up for Peterson's? If I remember it didn't work as well as planned.


Phil, I have the piece, and to be honest, Jack never got to the lengths of Ross, not even close...indeed in several passages he speaks out very well of the .458 WM and most of his critics were about the bullets used, not the cartridge itself.

I think he was too smart to fell into the ego trap.

Jack was, after all, a real class act...unlike Ross... archer


Gustavo,
Are we talking about a Jack Lott .458 Garand?
You have the article?
Please PM me if you do, it will save me some time.
Thanks.
Rip
.


Rip, no. Perhaps I got it wrong from Phil, the article I mentioned on Jack was about the .458WM

Cheers!


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Posts: 748 | Location: Buenos Aires, Argentina | Registered: 14 January 2001Reply With Quote
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Gustavo's .458 WinMag is a beauty:



Beauty is as beauty does.
Wayne at AHR built it and sent this test target showing how easy it was to get the sights adjusted:
Open sights at 50 yards,
6 shots, last 3 in one hole.







Rip
.
 
Posts: 28032 | Location: KY | Registered: 09 December 2001Reply With Quote
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Gustavo,
Thanks for the gunporn with redeeming social value.

I do have some more Jack Lott stuff ...
tu2
Rip
.
 
Posts: 28032 | Location: KY | Registered: 09 December 2001Reply With Quote
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quote:
Originally posted by RIP:
Gustavo,
Thanks for the gunporn with redeeming social value.

I do have some more Jack Lott stuff ...
tu2
Rip
.


Rip, thanks you sir for your service!

Don't tease us...we need Jack's stuff tu2

PS: I've scoped the rifle (carbine perhaps?) with a Leupold VX6 1-6x, which feels right at home.


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Posts: 748 | Location: Buenos Aires, Argentina | Registered: 14 January 2001Reply With Quote
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Review, for The Mission:
quote:
Originally posted by Gustavo:
Wayne Jacobson of American Hunting Rifles (known by many on this forum), just sent me some pics of my new, alas, still in his hands! Big Grin .458 Win Mag

It's a work of art, and fulfilled every dream I had about it.

McMillan stock, 20" barrel (Shilen #5), Ruger Hawkeye SS action.

quote:
Originally posted by Bitterroot:
This really turned out to be a dandy little rifle. It started out as a new 7mm Rem Mag in stainless. I had the choice of a few chamberings to start with, but I figured I'd take another 7 Mag off the market, and the barrels make great Tomato stakes (I don't like 7 Mags).

The rifle balances and swings just sweet, and it's a shooter too. I shot the target that Gus posted today with the iron sights. I want one.

quote:
Originally posted by Gustavo:
Wayne just told me the rifle weighs exactly 8 pounds and it handles very well.

tu2
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Posts: 28032 | Location: KY | Registered: 09 December 2001Reply With Quote
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The 1984 10th Edition HANDLOADER'S DIGEST
Ken Warner, Editor
pp. 118-124, by Jack Lott: "The 458-Plus Arrives"
Some excerpts for book review purposes: Another excellent book in the irregularly published series. The 19th Edition was in 2015, good to see it is still alive.
tu2
This article by Lott is more nuts&bolts than others, and the most interesting thing, to me, was Jack's drawing of the reamer he had made initially.
It was meant for turning .458 WinMag factory rifles into .458 Lott,
via hand-tool-reaming with a 10" T-handle.
His first .458 Lott donor rifle was a BRNO ZKK 602 .458 WinMag he brought back from RSA.
The second .458 Lott rifle was done for Swissair pilot, a left-hand Remington M700.
Big Grin
Rip
.
 
Posts: 28032 | Location: KY | Registered: 09 December 2001Reply With Quote
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Pg. 118, start:

 
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Posts: 28032 | Location: KY | Registered: 09 December 2001Reply With Quote
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Rip
.
 
Posts: 28032 | Location: KY | Registered: 09 December 2001Reply With Quote
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Ah ha!
The first of the .458 Lott rifles had .458 WinMag remnant throats!

That is how he got 500-grainers up to 2300 fps in a 22" barrel without blowing a gasket.

When the standardized .458 Lott came along, it had a short throat (SAAMI) and nearly blew a gasket in the Hornady ballistics lab.

So I was correct about the Lott having a long throat originally, in some old posts here.
I am ashamed no more! rotflmo

I do not see the advantage of the "voodoo" of a 0.100"-radius transition from .458 Lott case mouth (in the original reamer)
versus the standard 45-degree "chamfer-down" in most cartridges,
even when you are chamfering down into a .458 WinMag leade.

When you ream a .458 WinMag into a .458 Lott, without setting the barrel back a lot
(pun unavoidable as Phil Shoemaker would say),
you get a deep-throated .458 Lott.
There is no significant difference with Jack's original reamer,
versus using a SAAMI .458 Lott reamer to re-chamber a .458 WinMag to .458 Lott, IMHO.
Rip
.
 
Posts: 28032 | Location: KY | Registered: 09 December 2001Reply With Quote
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The .458 WinMag ammo was more accurate than the .458 Lott ammo in this rifle, Jack's FN Mauser,
probably his third personally-owned .458 Lott:
1. BRNO ZKK 602, factory .458 WinMag re-chamber.
2. Ruger No.1, factory .458 WinMag re-chamber.
3. FN Series 400 Dumoulin-barreled action. Did it start off as a .458 WinMag too?



Rip
.
 
Posts: 28032 | Location: KY | Registered: 09 December 2001Reply With Quote
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The article above once again honestly confirms there was no fault of the .458 WinMag involved in Jack's encounter with the buffalo.
Jack blamed not the .458 WinMag.
He blamed his bad shooting
(he shot late and placed the bullets poorly),
and possibly a weak bullet construction, that "deformed" and deflected.
Rip
.
 
Posts: 28032 | Location: KY | Registered: 09 December 2001Reply With Quote
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I'm a little fuzzy on the 50 yard zero with irons that allows for only 3" drop at 200 yards as I have never witnessed this at all, not remotely. More like 7" to 10" driven right at 2300 fps depending on the bullet nose shape chosen.

Somewhere I have some Lott loading data put together by Chet Brown. Chet was really interested in the Lott as well and used the Swift A-Frame for much of his testing. He did have one 700 come apart on him during some testing the notation beside that load was "don't try this load again"

I found H-4895 to give me the highest velocities and safest pressure levels at those velocities as well as the most accurate loads over a very broad spectrum of bullets.

If you're using mono bullets like the TSX you can't seat the bullets over enough 4320 to really do any good. I have had ho-hum results with 4320 and gave up on it very early in the game.

Perhaps with some of the newer powder blends such as Hornady has used you can safely get 2300fps from a 22" barrel using a 500 grain bullet. I shot some of early Hornady factory loads that clocked 2306fps from a 23" barrel but the recoil was rude to say the least.

Being the wimp I am, I finally settled on driving a 500gr at 2250 to 2270fps which was more than enough but to each his own. I plan to never build another Lott as I'd be forced to shoot it and can think of better things to do.

You guys have fun
 
Posts: 707 | Registered: 30 December 2003Reply With Quote
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Picture of Gustavo
posted Hide Post
quote:
Originally posted by RIP:
The article above once again honestly confirms there was no fault of the .458 WinMag involved in Jack's encounter with the buffalo.
Jack blamed not the .458 WinMag.
He blamed his bad shooting
(he shot late and placed the bullets poorly),
and possibly a weak bullet construction, that "deformed" and deflected.
Rip
.


Exactly! beer

Actually I've never found any piece by Jack actually blaming/bashing the .458WM


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Posts: 748 | Location: Buenos Aires, Argentina | Registered: 14 January 2001Reply With Quote
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quote:
Originally posted by DArcy_Echols_Co:
I'm a little fuzzy on the 50 yard zero with irons that allows for only 3" drop at 200 yards as I have never witnessed this at all, not remotely. More like 7" to 10" driven right at 2300 fps depending on the bullet nose shape chosen.

Yes, that is screwy. Possibly just confusion over sighting the open sights dead on at 50 yards (very useful zero), then using the scope at longer ranges, sighted to be 3 inches low at 200 yards with scope?

Using iron sights with 500-grainer at 2300 fps (BC = .295 like old Hornady FMJRN)
Sight height 1.00" for irons:
+1.559" (high) at 50 yards >>> -3 inches (low) at 200 yards, max ordinate +2.28" at 91.41 yards.
That too would be a useful zero for someone good with iron sights.
Apparently Jack was better with a scope, like most of us.
He liked a 2.5X scope on his .458 Lotts.


Somewhere I have some Lott loading data put together by Chet Brown. Chet was really interested in the Lott as well and used the Swift A-Frame for much of his testing. He did have one 700 come apart on him during some testing the notation beside that load was "don't try this load again"

Seems to confirm a pattern of Swift A-Frame bullets causing pressure spikes. Eeker

I found H-4895 to give me the highest velocities and safest pressure levels at those velocities as well as the most accurate loads over a very broad spectrum of bullets.

I expect H4895 and AA2230 to be tops with the heavy bullets in the .458 WinMag Shortclaw and Longclaw. tu2

If you're using mono bullets like the TSX you can't seat the bullets over enough 4320 to really do any good. I have had ho-hum results with 4320 and gave up on it very early in the game.

However, one can load a .458 WinMag Longclaw to 3.8" COL with some 500-grain monometals and 600-grain cup&core bullets.
Longclaw: Sword of The Bastard!
tu2

Perhaps with some of the newer powder blends such as Hornady has used you can safely get 2300fps from a 22" barrel using a 500 grain bullet. I shot some of early Hornady factory loads that clocked 2306fps from a 23" barrel but the recoil was rude to say the least.

Whatever the .458 Lott can do, the .458 WinMag Longclaw can do better. tu2

Being the wimp I am, I finally settled on driving a 500gr at 2250 to 2270fps which was more than enough but to each his own.

Sounds perfect for my .458 WinMag rifles. tu2

I plan to never build another Lott as I'd be forced to shoot it and can think of better things to do.

You guys have fun


D'Arcy,

No more .458 Lotts, just .458 WinMags with whatever length magazine box the customer wants, eh?
tu2
Rip
.
 
Posts: 28032 | Location: KY | Registered: 09 December 2001Reply With Quote
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That 300-grain TTSX is so nice, I am going to skip right over the 350 and 400-grainers, for now,
and get right down to business with the 450-grainers,
then 600-grainers.
300-gr: Squirrels and deer.
450-gr: Bear, moose, buffalo.
600-gr: Whaling.
That should cover any of my .458 WinMag hunting load wants.
tu2
Rip
.
 
Posts: 28032 | Location: KY | Registered: 09 December 2001Reply With Quote
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.458-caliber/ 450-grainers on hand: North Fork and Barnes TSX

Powders on hand: AA-2230, H4895, BENCHMARK

I ought to be able to start with 75.0 grains of each powder and work up ...
Loading Longclaw ...
tu2
Rip
.
 
Posts: 28032 | Location: KY | Registered: 09 December 2001Reply With Quote
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quote:
No more .458 Lotts, just .458 WinMags with whatever length magazine box the customer wants, eh?


Bad-mouthing a Lott for the WM is like trying to do away with the 30-06 by hyping a 308.

While I would gravitate to a 450 Rigby/460Weatherby in .458" in a long magnum action,
the the cat's meow would be a short 2.6" Rigby case and .458".
Surely someone has done it. What is it called? Meanwhile the 458AccRel wouldn't be bad, either. It's just that a short 2.6" Rigby case would be about an ideal capacity for .458".


The 458 WinMag needs more capacity for real versatility. Just like the 308 needs more capacity for true versatility.


+-+-+-+-+-+-+

"A well-rounded hunting battery might include:
500 AccRel Nyati, 416 Rigby or 416 Ruger, 375Ruger or 338WM, 308 or 270, 243, 223" --
Conserving creation, hunting the harvest.
 
Posts: 4253 | Registered: 10 June 2009Reply With Quote
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quote:
Originally posted by 416Tanzan:
[QUOTE]No more .458 Lotts, just .458 WinMags with whatever length magazine box the customer wants, eh?


Bad-mouthing a Lott for the WM is like trying to do away with the 30-06 by hyping a 308.

While I would gravitate to a 450 Rigby/460Weatherby in .458" in a long magnum action,
the the cat's meow would be a short 2.6" Rigby case and .458".
Surely someone has done it. What is it called? Meanwhile the 458AccRel wouldn't be bad, either. It's just that a short 2.6" Rigby case would be about an ideal capacity for .458".


The 458 WinMag needs more capacity for real versatility. Just like the 308 needs more capacity for true versatility.[/QUOTE

And the 45 acp!


Anyone who claims the 30-06 is ineffective has either not tried one, or is unwittingly commenting on their own marksmanship
Phil Shoemaker
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FAA Master pilot
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Posts: 4202 | Location: Bristol Bay | Registered: 24 April 2004Reply With Quote
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The more I read about the bigger .458's the more the .450 Ackley appeals to me.


Roger
___________________________
I'm a trophy hunter - until something better comes along.

*we band of 45-70ers*
 
Posts: 2811 | Location: Washington (wetside) | Registered: 08 February 2005Reply With Quote
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quote:
Originally posted by Cougarz:
The more I read about the bigger .458's the more the .450 Ackley appeals to me.


They are real good. Although a 460 feels like a big V8 manual cruising around next to one. The 2350 with the 460 is reduced load stuff.

One of my regrets in the "never have owned" is the 460 G&A or 458 RUM.

I have owned a few 458 Winchesters but would never have another one after the 450 Ackley.

The only possible objection to the 450 Ackley for dangerous game is from memory they are about .505 at the shoulder, like the 358 STA and so very parallel sided...maybe a potential extraction problem if load to full power.
 
Posts: 7046 | Location: Sydney Australia | Registered: 14 September 2015Reply With Quote
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RIP.....

I've always wondered what happened to that old FN/Dumoulin of Jack Lott's. It would be neat if it turned up.
 
Posts: 16 | Location: Billings, Montana | Registered: 20 April 2005Reply With Quote
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quote:
Originally posted by Mike McGuire:
quote:
Originally posted by Cougarz:
The more I read about the bigger .458's the more the .450 Ackley appeals to me.


They are real good. Although a 460 feels like a big V8 manual cruising around next to one. The 2350 with the 460 is reduced load stuff.

One of my regrets in the "never have owned" is the 460 G&A or 458 RUM.

I have owned a few 458 Winchesters but would never have another one after the 450 Ackley.

The only possible objection to the 450 Ackley for dangerous game is from memory they are about .505 at the shoulder, like the 358 STA and so very parallel sided...maybe a potential extraction problem if load to full power.


Yes, the Ackley is rather straight-walled,
BUT the Ackley is too long for too little capacity.

If one wants capacity, then a 460 Weatherby or 450 Rigby beltless is the way to go in long long actions.

The 460 VanHorn gets more capacity than the Ackley (10%?) and fits a standard length action. It is a 460 Weatherby reformed and chopped to 2.5". Even nicer would be a beltless, standard-length, .582-.590 casehead, .458". One could use Lapua brass and reduce to 2.6" case length. It would generate all of the horsepower most would want in an easy-carry rifle. It should get 20+% more volume than the WinMag. Load it down to the Lott or Ackley, or load up close to the Rigby and Weatherby at top max.

I'm actually surprised that RIP has not initiated a .458" Lapua long-loading. The 3.7" Lapua case at .458" would allow a little extra seating into a long magazine. But why reinvent a wheel when there is a 450 Rigby?

And for the ultimate carry rifle with WinMag ballistics we have the venerable
458 B&M. It has slightly more capacity that a 458WinMag and fits in a Win M70 WSM action. Yes, short action. Pretty nice. In fact very nice. It might be fun to hunt with one.


+-+-+-+-+-+-+

"A well-rounded hunting battery might include:
500 AccRel Nyati, 416 Rigby or 416 Ruger, 375Ruger or 338WM, 308 or 270, 243, 223" --
Conserving creation, hunting the harvest.
 
Posts: 4253 | Registered: 10 June 2009Reply With Quote
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I think lott turned a Browning BAR into a .458.
He said it took some work to feed properly, and didn't reduce recoil like he hoped it might.
 
Posts: 7252 | Registered: 10 April 2009Reply With Quote
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quote:
Originally posted by theback40:
I think lott turned a Browning BAR into a .458.
He said it took some work to feed properly, and didn't reduce recoil like he hoped it might.


Thanks for that.
I am still looking for anything related to Jack Lott and .458 WinMag semi-automatics,
and Harald Wolf's .458 WinMag Mauser Jungle Carbine.

Housekeeping:
1. I have relented on skipping over the 350-grainers.THE MISSION demands I stick to the plan.
Milk it for all it is worth.
2. Any negative posts here are appreciated for furthering THE MISSION.
Us .458 WinMag yaysayers enjoy playing with the naysayers.

Let the fun continue.
tu2
Rip
.
 
Posts: 28032 | Location: KY | Registered: 09 December 2001Reply With Quote
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quote:
Originally posted by 416Tanzan:
quote:
No more .458 Lotts, just .458 WinMags with whatever length magazine box the customer wants, eh?


Bad-mouthing a Lott for the WM is like trying to do away with the 30-06 by hyping a 308.


What? I am bad-mouthing the .458 Lott? Hardly! Just suggesting a better alternative.
I know you are my elder, and I mean no disrespect, but
by your standards, you are "Mr. Potty Mouth" regarding the .458 WinMag.

Furthermore, that is a poor analogy in a comparison of the .30-06/.308 WCF
versus .458 Lott/.458 WinMag. The throating differences alone make for a totally different can of worms.


While I would gravitate to a 450 Rigby/460Weatherby in .458" in a long magnum action,
the the cat's meow would be a short 2.6" Rigby case and .458".
Surely someone has done it. What is it called?

The obscure .458 Majoor and others such as my equally obscure .450 Ted Williams Thumper
(.458/.338 Lop'wah Magnum 2.7") are some possibilities.
If you require a 2.6" case instead of my 2.7" case length,
just trim the neck down to liking.
The .458 boom stick is a 2.5" trimming of the .450 Thumper:












Meanwhile the 458AccRel wouldn't be bad, either. It's just that a short 2.6" Rigby case would be about an ideal capacity for .458".

If you want to be limited to a 3.4" box length, might as well make it a 2.5" case like the .458 boom stick.

The 458 WinMag needs more capacity for real versatility. Just like the 308 needs more capacity for true versatility.

Your analogy fails again.
It is impossible to load the .308 WCF as a "Longclaw" due to throat limits,
unlike with the .458 WinMag Longclaw.
3.6" COL can be loaded and ejected from most .458 WinMag rifles with 3.4" boxes.
The .458 WinMag is VERSATILE.


horse
Rip
.
 
Posts: 28032 | Location: KY | Registered: 09 December 2001Reply With Quote
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quote:
Originally posted by Cougarz:
The more I read about the bigger .458's the more the .450 Ackley appeals to me.


I have a .450 Barnes Supreme on a MkX Whitworth Mauser. It is a circa 1950 version like the .450 Ackley, a "me-too" to the .450 Buhmiller version.
They all have to be loaded hot to equal a .458 WinMag loaded to same length.
They just reduce magazine room and foul up the slicker feeding you get with the .458 WinMag.
Cool
Rip
.
 
Posts: 28032 | Location: KY | Registered: 09 December 2001Reply With Quote
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quote:
Originally posted by Mike McGuire:
I have owned a few 458 Winchesters but would never have another one after the 450 Ackley.
Blasphemy!
The only possible objection to the 450 Ackley for dangerous game is from memory they are about .505 at the shoulder, like the 358 STA and so very parallel sided...maybe a potential extraction problem if load to full power.
See reply to Cougarz above.

Rip
.
 
Posts: 28032 | Location: KY | Registered: 09 December 2001Reply With Quote
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quote:
Originally posted by Sledge:
RIP.....

I've always wondered what happened to that old FN/Dumoulin of Jack Lott's. It would be neat if it turned up.


buckstix probably owns it, or will soon.
tu2
Rip
.
 
Posts: 28032 | Location: KY | Registered: 09 December 2001Reply With Quote
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quote:
Originally posted by 416Tanzan:
quote:
No more .458 Lotts, just .458 WinMags with whatever length magazine box the customer wants, eh?


Bad-mouthing a Lott for the WM is like trying to do away with the 30-06 by hyping a 308.

While I would gravitate to a 450 Rigby/460Weatherby in .458" in a long magnum action,
the the cat's meow would be a short 2.6" Rigby case and .458".
Surely someone has done it. What is it called? Meanwhile the 458AccRel wouldn't be bad, either. It's just that a short 2.6" Rigby case would be about an ideal capacity for .458".


The 458 WinMag needs more capacity for real versatility. Just like the 308 needs more capacity for true versatility.


I think we need to clarify what are you after.

Diameter? Velocity/Energy? Bullet weight range?

And for what purpose...if we are talking about going after DG, the .458WM with today's arrange of premium bullets, standard action length, mild recoil and being able to be chambered in compact rifles, well, I'd he hard pressed to pick a different cartridge to fill the above criteria.

Whatever the .375HH can do, the .458WM can do it better. Simple as that.

Of course, if you are used to longer actions and heavier recoil ( I don't like brakes on a DGR) in longer setups, well, you have a plethora of offerings to choice from.

But in terms of versatility, the .458WM is still one of the best options to choose. Including costs.

Are "better" cartridges out there? Sure, but all comes down to what your criteria is.

Fortunately enough, kevlar-vested buffalo are still and oddity. animal


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Posts: 748 | Location: Buenos Aires, Argentina | Registered: 14 January 2001Reply With Quote
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quote:
Originally posted by 416Tanzan:
Yes, the Ackley is rather straight-walled,
BUT the Ackley is too long for too little capacity.

Finally, some truth!

If one wants capacity, then a 460 Weatherby or 450 Rigby beltless is the way to go in long long actions.

The 460 VanHorn gets more capacity than the Ackley (10%?) and fits a standard length action. It is a 460 Weatherby reformed and chopped to 2.5".

Here you go:



Notice that the loads shown can be fairly well matched by a .458 WinMag of proper configuration,
burning less powder and producing less recoil.


Even nicer would be a beltless, standard-length, .582-.590 casehead, .458". One could use Lapua brass and reduce to 2.6" case length. It would generate all of the horsepower most would want in an easy-carry rifle. It should get 20+% more volume than the WinMag. Load it down to the Lott or Ackley, or load up close to the Rigby and Weatherby at top max.

I'm actually surprised that RIP has not initiated a .458" Lapua long-loading. The 3.7" Lapua case at .458" would allow a little extra seating into a long magazine. But why reinvent a wheel when there is a 450 Rigby?

See .450 Ted Williams Thumper above.
By current rules, Ted "Thumper" Williams would have batted .450 in 1941, instead of .406,
but still, no other player has beat .400 since then?


And for the ultimate carry rifle with WinMag ballistics we have the venerable
458 B&M. It has slightly more capacity that a 458WinMag and fits in a Win M70 WSM action.

Oh boy! Let's talk about that .458 B&M. See below. tu2

Yes, short action. Pretty nice. In fact very nice. It might be fun to hunt with one.

Rip
.
 
Posts: 28032 | Location: KY | Registered: 09 December 2001Reply With Quote
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quote:
Any negative posts here are appreciated for furthering THE MISSION.
Us .458 WinMag yaysayers enjoy playing with the naysayers.

Let the fun continue.

Rip



Ol' buffalo breath means things in fun. It's part of the learning process.

On the analogies like 308 to 30-06, I was basing things on case capacity because a person can always add parallel-sided freebore, or a slow-increment freebore, if they want. People did a lot of that fifty years ago, before my time, and Ray Atkinson on this list likes his 338 WinMags with enough freebore to shoot 340 ballistics. Personally, I like sticking to about a 1/2 caliber freebore max, having gotten my fingers burned with the 2.5x caliber proto-500AccRel freebore and the brass bullets.

Anyway, that 450 Thumper looks like a great round. In order to keep a .458" neck I suspect the Lapua shoulder would need about a 2.69" case. Ballistics ought to be pretty nice.

But I'm just watching on the sidelines. Between a 416 and 500 I can't see trying to get a 458, too. Some of us have limited gun safe space (or legal options).


+-+-+-+-+-+-+

"A well-rounded hunting battery might include:
500 AccRel Nyati, 416 Rigby or 416 Ruger, 375Ruger or 338WM, 308 or 270, 243, 223" --
Conserving creation, hunting the harvest.
 
Posts: 4253 | Registered: 10 June 2009Reply With Quote
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Picture of 416Tanzan
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quote:
Originally posted by RIP:
quote:
Originally posted by 416Tanzan:
Yes, the Ackley is rather straight-walled,
BUT the Ackley is too long for too little capacity.

Finally, some truth!

If one wants capacity, then a 460 Weatherby or 450 Rigby beltless is the way to go in long long actions.

The 460 VanHorn gets more capacity than the Ackley (10%?) and fits a standard length action. It is a 460 Weatherby reformed and chopped to 2.5".

Here you go:



Notice that the loads shown can be fairly well matched by a .458 WinMag of proper configuration,
burning less powder and producing less recoil.


Even nicer would be a beltless, standard-length, .582-.590 casehead, .458". One could use Lapua brass and reduce to 2.6" case length. It would generate all of the horsepower most would want in an easy-carry rifle. It should get 20+% more volume than the WinMag. Load it down to the Lott or Ackley, or load up close to the Rigby and Weatherby at top max.

I'm actually surprised that RIP has not initiated a .458" Lapua long-loading. The 3.7" Lapua case at .458" would allow a little extra seating into a long magazine. But why reinvent a wheel when there is a 450 Rigby?

See .450 Ted Williams Thumper above.
By current rules, Ted "Thumper" Williams would have batted .450 in 1941, instead of .406,
but still, no other player has beat .400 since then?


And for the ultimate carry rifle with WinMag ballistics we have the venerable
458 B&M. It has slightly more capacity that a 458WinMag and fits in a Win M70 WSM action.

Oh boy! Let's talk about that .458 B&M. See below. tu2

Yes, short action. Pretty nice. In fact very nice. It might be fun to hunt with one.

Rip
.


Thank you for the 460 Van Horn diagram. That, too, is an impressive round, as I imagined.

While 500 grains at 2300fps and not-so-high-pressures is nothing to sneeze at (and the 460 VH is probably good for 6000-6400 ft# muzzle-energies), I imagine that its hunting potential would really come to life with a
400 grain GSC or 450 gn GSC
at 2600 and 2450-2500fps, respectively.


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"A well-rounded hunting battery might include:
500 AccRel Nyati, 416 Rigby or 416 Ruger, 375Ruger or 338WM, 308 or 270, 243, 223" --
Conserving creation, hunting the harvest.
 
Posts: 4253 | Registered: 10 June 2009Reply With Quote
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Dear 416Tanzan,

Yes, I remember the
2.5X-caliber-ludicrously-long-parallel-sided-free-bored .500 AccRel
(there's a trophy, run-on, hyphenated adjective)
and how it made the brass bullets skid in the rifling.
Also, I remember counseling you good ol' boys on the benefits of a 0.5X-caliber PSFB throat as observed in the accuracy of my .500/.338LM,
aka the 12.7x68mm Magnum.
We got through that just fine. Wink

The .458 WinMag has a long throat, but it has 0.0X parallel-sided free-bore. It is all leade, just a long funnel angling down to bore diameter.
May not be so good with soft lead bullets,
but grabs monometal brass, copper, and jacketed bullets well.
And it also allows for longer loading of bullets for VERSATILITY.
tu2
Rip
.
 
Posts: 28032 | Location: KY | Registered: 09 December 2001Reply With Quote
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About the .458 B&M, I got one:

 
Posts: 28032 | Location: KY | Registered: 09 December 2001Reply With Quote
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