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Shooting & Reloading - Mausers, Big Bores and others >> Big Bore Rifles

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mickey
.416 member

Reged: 05/01/03
Posts: 4647
Loc: Pend Oreille Valley, Idaho

.585 Nyati
#209254 - 28/05/12 04:20 AM

A friend just picked up this .585 Nyati from Ralf Martini in Cranbrook.

Beautiful craftsmanship. Rifle sites are spot on at 50 and 100 yards. 750 gr/2500. Recoil is not harsh but inevitable, much like my 8 Bore.

Weight is 13.5 pounds with two Mercury recoil reducers in stock. Two recoil lugs, island rear and ramp front are all machined from barrel stock.

The drawback I see is time to get back on target with a new round loaded before you get run over.

Will post some more pictures later.

Sorry, I moved the files after I posted them.

Should add it is a Granite Mountain Arms Action and is smooth as butter and loads as slick as snot.

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mickey
.416 member

Reged: 05/01/03
Posts: 4647
Loc: Pend Oreille Valley, Idaho

Re: ..585 Nyati more pictures [Re: mickey]
#209255 - 28/05/12 04:54 AM

--------------------
Lovu Zdar
Mick

A Man of Pleasure, Enterprise, Wit and Spirit Rare Books, Big Game Hunting, English Rifles, Fishing, Explosives, Chauvinism, Insensitivity, Public Drunkenness and Sloth, Champion of Lost and Unpopular Causes.

Edited by NitroX (30/05/12 07:40 PM)

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Ben
.400 member

Reged: 22/08/08
Posts: 1917
Loc: Northern Territory, Australia

Re:.585 Nyati more pictures [Re: mickey]
#209270 - 28/05/12 07:35 AM

What I see so far looks cool! Have you got any of the cartridge and the whole profile? Heaps of fun...

Edited by NitroX (30/05/12 07:41 PM)

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bakposten
.300 member

Reged: 15/05/12
Posts: 108
Loc: Norway

Re: .585 Nyati more pictures [Re: Ben]
#209273 - 28/05/12 07:58 AM

Nice gun, with out the muzzle break I`ll bet you will feel "some" recoil. I`ve tested the 577 t-rex, but I did not buy it..

Edited by NitroX (30/05/12 07:41 PM)

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tinker
.416 member

Reged: 12/03/05
Posts: 4835
Loc: Nevada

Re: ..585 Nyati more pictures [Re: bakposten]
#209286 - 28/05/12 11:39 AM

Shazam!

Cheers
Tinker

--------------------
--Self-Appointed Colonel, DRSS--

"It IS a dangerous game, and so named for a reason, and you can't play from the keyboard. " --Some Old Texan...

Edited by NitroX (30/05/12 07:41 PM)

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mickey
.416 member

Reged: 05/01/03
Posts: 4647
Loc: Pend Oreille Valley, Idaho

Re: .585 Nyati more pictures [Re: Ben]
#209305 - 28/05/12 04:57 PM

Quote:

What I see so far looks cool! Have you got any of the cartridge and the whole profile? Heaps of fun...

I believe it is a 500 Jeffery necked up to .584. 500 grains has some 900 grain bullets for it that would be interesting. The rifle will probably be loaded to 1900fps with 750 grain bullets. Same as the .577 2 3/4 loading. That is plenty for anything in Africa for sure.

POI
I shot it once only without the muzzle break. The man who owns it only had two rounds left after sighting in. It is really not as bad as one would assume. A very hard push but nothing like a 460 WB. Much more like a 505 Gibbs.

--------------------
Lovu Zdar
Mick

A Man of Pleasure, Enterprise, Wit and Spirit Rare Books, Big Game Hunting, English Rifles, Fishing, Explosives, Chauvinism, Insensitivity, Public Drunkenness and Sloth, Champion of Lost and Unpopular Causes.

Edited by NitroX (30/05/12 07:41 PM)

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Ben
.400 member

Reged: 22/08/08
Posts: 1917
Loc: Northern Territory, Australia

Re: .585 Nyati more pictures [Re: mickey]
#209308 - 28/05/12 06:10 PM

Awesome! Thanks for the additional photos.

Edited by NitroX (30/05/12 07:41 PM)

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CommandCar
.333 member

Reged: 18/09/10
Posts: 292
Loc: East Coast, USA

Re: .585 Nyati more pictures [Re: mickey]
#209469 - 30/05/12 05:57 AM

Quote:

Quote:

What I see so far looks cool! Have you got any of the cartridge and the whole profile? Heaps of fun...

I believe it is a 500 Jeffery necked up to .584. 500 grains has some 900 grain bullets for it that would be interesting. The rifle will probably be loaded to 1900fps with 750 grain bullets. Same as the .577 2 3/4 loading. That is plenty for anything in Africa for sure.

I see this thread refers to a .577 Nyati. I had not heard of this cartridge, but looking at the photos I see the barrel is inlayed in gold .585 Nyati. I have heard of the latter.

I believe the .585 Nyati is based upon the .600 Nitro case with the rim turned off, recut to rimless form, necked down to accept slugs for the .577 and maybe shortened. It was created by Ross Seyfried if I remember correctly.

Edited by NitroX (30/05/12 07:42 PM)

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Igorrock
.400 member

Reged: 01/03/07
Posts: 1636
Loc: Finland

Re:.585 Nyati more pictures [Re: CommandCar]
#209486 - 30/05/12 08:47 AM

Quote:

The .585 Nyati was developed by Ross Seyfried. He was motivated by the desire to create a rifle with tremendous stopping power at a fraction of the cost of expensive double guns such as the various Nitro Express rounds.

The rims were turned from .577 Nitro brass and the case blown out straight to allow formation of enough of a shoulder for headspace purposes. Brass formed by this method, during the developmental phase, had a relatively weak case head because the parent .577 Nitro case was designed for a double rifle which supports the case head all the way to the rim. In a bolt action rifle, a portion of the case head is unsupported and requires more strength in that area.

--------------------
http://promaakari.wordpress.com/

Edited by NitroX (30/05/12 07:42 PM)

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mickey
.416 member

Reged: 05/01/03
Posts: 4647
Loc: Pend Oreille Valley, Idaho

Re:.585 Nyati more pictures [Re: Igorrock]
#209496 - 30/05/12 10:42 AM

My mistake in the title. It is a 585 Nyati.

Ross recommended against the rifle, citing feeding problems in his and excessive recoil. (it takes a long time to get recycled and back on target. 3-4 seconds I would guess.)

The brass is from Harold Wolf and I believe Bertram also makes brass.

500 grains had one once also so he could answer questions about the cartridge.

--------------------
Lovu Zdar
Mick

A Man of Pleasure, Enterprise, Wit and Spirit Rare Books, Big Game Hunting, English Rifles, Fishing, Explosives, Chauvinism, Insensitivity, Public Drunkenness and Sloth, Champion of Lost and Unpopular Causes.

Edited by NitroX (30/05/12 07:42 PM)

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DarylS
.700 member

Reged: 10/08/05
Posts: 26486
Loc: Beautiful British Columbia, Ca...

Re: .585 Nyati more pictures [Re: Igorrock]
#209497 - 30/05/12 10:43 AM

Igorrock - that sounds right as I remember the article - even picture Ross shooting it.

Good-on-ya, Mick - not for this old, broken man to shoot, that's for sure. I'm starting to cringe at 270gr. running 2,700fps. You couldn't get me to shoot a .505 either.

I was talking to a fellow at our local gun show the first week of May, who was selling barrels, actions and barreled actions in that calibre. I assume he got them from Ralf.

--------------------
Daryl

"a gun without hammers is like a Spaniel without ears" King George V

Edited by NitroX (30/05/12 07:42 PM)

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Deutsche_Vortrekker
.333 member

Reged: 27/04/08
Posts: 449
Loc: From the Kalahari to the USA

Re: .585 Nyati more pictures [Re: Igorrock]
#209530 - 30/05/12 06:03 PM

Quote:

Quote:

The .585 Nyati was developed by Ross Seyfried. He was motivated by the desire to create a rifle with tremendous stopping power at a fraction of the cost of expensive double guns such as the various Nitro Express rounds.

The rims were turned from .577 Nitro brass and the case blown out straight to allow formation of enough of a shoulder for headspace purposes. Brass formed by this method, during the developmental phase, had a relatively weak case head because the parent .577 Nitro case was designed for a double rifle which supports the case head all the way to the rim. In a bolt action rifle, a portion of the case head is unsupported and requires more strength in that area.

I have Seyfrieds original article around here somewhere.I dont think the original rifle had any special recoil reducers other than a pad.Wow in this case it would seem that you were getting almost as much as you were giving out.

Edited by NitroX (30/05/12 07:42 PM)

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NitroX
.700 member

Reged: 25/12/02
Posts: 39196
Loc: Barossa Valley, South Australi...

Re: .585 Nyati more pictures [Re: Deutsche_Vortrekker]
#209539 - 30/05/12 07:43 PM

Some photos of the cartridges would be cool too.

--------------------
John aka NitroX

...
Govt get out of our lives NOW!
"I love the smell of cordite in the morning."
"A Sharp spear needs no polish"

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NitroX
.700 member

Reged: 25/12/02
Posts: 39196
Loc: Barossa Valley, South Australi...

Re: .585 Nyati more pictures [Re: NitroX]
#209540 - 30/05/12 07:48 PM

I may have some Bertram brass to photograph if I am lucky.

--------------------
John aka NitroX

...
Govt get out of our lives NOW!
"I love the smell of cordite in the morning."
"A Sharp spear needs no polish"

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Sarg
.400 member

Reged: 20/01/07
Posts: 1365
Loc: Nil

Re: .585 Nyati more pictures [Re: NitroX]
#209546 - 30/05/12 08:19 PM

Here is a photo of the cartridge shown with a 30-30 Win

I love the way those sights grow out of the barrel, very Cool !

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Deutsche_Vortrekker
.333 member

Reged: 27/04/08
Posts: 449
Loc: From the Kalahari to the USA

Re: .585 Nyati more pictures [Re: Sarg]
#209550 - 30/05/12 08:32 PM

I believe Seyfried originally put this in a standard Mauser action....with massive siderail work obviously

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mickey
.416 member

Reged: 05/01/03
Posts: 4647
Loc: Pend Oreille Valley, Idaho

Re: .585 Nyati more pictures [Re: Sarg]
#209601 - 31/05/12 02:50 AM

Quote:

I love the way those sights grow out of the barrel, very Cool !

Here is a link to Ralf's webpage.

http://www.martiniandhagngunmakers.com

--------------------
Lovu Zdar
Mick

A Man of Pleasure, Enterprise, Wit and Spirit Rare Books, Big Game Hunting, English Rifles, Fishing, Explosives, Chauvinism, Insensitivity, Public Drunkenness and Sloth, Champion of Lost and Unpopular Causes.

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500grains
.416 member

Reged: 16/02/04
Posts: 4732
Loc: Salt Lake City, Utah USA

Re: .585 Nyati more pictures [Re: mickey]
#212855 - 17/07/12 12:26 AM

.585 loading data here:

http://forums.nitroexpress.com/showflat.php?Cat=0&Number=78060&an=0&page=2

.585 cartridge photo here:

http://www.huntnetwork.net/modules/wfsec...585%20Nyati.pdf

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Coloradoyaler
.224 member

Reged: 09/11/05
Posts: 19
Loc: Anchor Point Alaska

Re: .585 Nyati more pictures [Re: 500grains]
#214447 - 13/08/12 12:43 AM

My entry into the megabore. A 585 Nyati 2.8 inch as Ross designed. Built by SSK 17 years ago on a 460wby action single stacked with an extended magazine. Hold two down and one in the chamber. It will feed all bullets to include the flat nose barnes and the CEB non cons. Oh, it also shoots 1 1/2" three shot groups off the bench!

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Tom30887
.275 member

Reged: 01/07/12
Posts: 78
Loc: QLD

Re: .585 Nyati more pictures [Re: Coloradoyaler]
#214524 - 13/08/12 08:43 PM

Very nice guys, I like both.

Whats the recoil figures with and without the break? I imagine even with the break you would be looking at 100+ft/lbs

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500grains
.416 member

Reged: 16/02/04
Posts: 4732
Loc: Salt Lake City, Utah USA

Re: .585 Nyati more pictures [Re: Tom30887]
#214559 - 14/08/12 03:27 AM

Article about .585 in use in the field:

http://www.huntnetwork.net/modules/wfsec...585%20Nyati.pdf

I used to take Ibuprofen before shooting my .585.

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Coloradoyaler
.224 member

Reged: 09/11/05
Posts: 19
Loc: Anchor Point Alaska

Re: .585 Nyati more pictures [Re: 500grains]
#214564 - 14/08/12 07:08 AM

500grians

I have read your article and have enjoyed it! Do you still have and use your 585?

Regards
Mark

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500grains
.416 member

Reged: 16/02/04
Posts: 4732
Loc: Salt Lake City, Utah USA

Re: .585 Nyati more pictures [Re: Coloradoyaler]
#214585 - 14/08/12 10:58 AM

I sold that monster. A 13 pound rifle is more than I can handle on a stalk. And follow up shots are slow with that much recoil. I also sold my .600 NE. I spent the money on more elephants.

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Omnivorous_Bob
.333 member

Reged: 03/10/05
Posts: 285
Loc: Montana

Re: .585 Nyati more pictures [Re: Coloradoyaler]
#214655 - 15/08/12 10:55 AM

CO, that's a great looking thumper!!! Would love to see some more photos if you get the chance. Do you have any hunting plans for it?

Bob

--------------------
"If we're not supposed to eat animals, how come they're made out of meat?"

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Coloradoyaler
.224 member

Reged: 09/11/05
Posts: 19
Loc: Anchor Point Alaska

Re: .585 Nyati more pictures [Re: Omnivorous_Bob]
#214682 - 16/08/12 12:52 AM

Thanks Bob!

I just returned from Alaska. My wife and I did a 100 mile self guided river float trip on the Kanektok river. So our vaction time is used up for this year. However, I have plans to harvest a bison this fall with to fill the freezer. The possibly Africa next year.

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