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Shooting & Reloading - Mausers, Big Bores and others >> Big Bore Rifles
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375Brno
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Reged: 18/10/05
Posts: 354
Loc: Brisbane, Australia
450 Rigby Magnum (Rimless) - how versatile
      #198226 - 31/12/11 06:55 PM

Hi
I have been thinking about a bolt action build for a while now and can't get the 450 Rigby Magnum out of my head. Karl Stumpfe's article plus some other comments on here got me interested.
(link to a page that contains Karl's article - http://forums.nitroexpress.com/showflat....t166330http://)

I know that it will handle anything large that I want to shoot however based on the comments in the article I am just as interested in how versatile it could be. The article mentions 300gn slugs for plains game and I note that Woodleigh now make a 300gn as well as the 405gn projectile for the 45/70 which is 458cal so I am assuming it could be used for the Rigby (correct me if I am wrong here).

In order to handle the recoil of the bigger projectiles the rifle would need to be at least 10.5 pounds so adding a scope for the longer shots would make for a heavy gun to carry but it would be nice to have the versatility. Note that I am not looking to create the one perfect gun. Just want to explore dome possibilities.

Any thoughts / comments would be appreciated.

Regards
Rick

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Rule303
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Reged: 05/07/09
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Re: 450 Rigby Magnum (Rimless) - how versatile [Re: 375Brno]
      #198228 - 31/12/11 07:20 PM

375 I cant fault your thoughts. I would look at buying a CZ550 in 416 Rigby and rebarrel if you are not nbuying a 450Rigby itself. That way the bolt face and magazine are set up for the case.

I like the 416 because you can drive 340 grin pills and 400 fast enough for 300mt shots. The 450Rigby I think is one of the few 458"s that could do the same with 458pills. I am not familiar with 458 bullets so can not comment on the ones you list.

The CZ 550 will give you the weight you want and will hold 4 in the mag.

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kamilaroi
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Reged: 18/12/04
Posts: 1803
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Re: 450 Rigby Magnum (Rimless) - how versatile [Re: Rule303]
      #198249 - 31/12/11 09:45 PM

Whilst the 404 Jeffrey was designed for the colonial in Afrik and on Indian shikar. A 400 gn at 2150 (now 2400) and a 300 at 2500 (now 2600). Nothing new under the sun.

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375Brno
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Reged: 18/10/05
Posts: 354
Loc: Brisbane, Australia
Re: 450 Rigby Magnum (Rimless) - how versatile [Re: Rule303]
      #198406 - 02/01/12 10:14 AM

Quote:

375 I cant fault your thoughts. I would look at buying a CZ550 in 416 Rigby and rebarrel if you are not nbuying a 450Rigby itself. That way the bolt face and magazine are set up for the case.

I like the 416 because you can drive 340 grin pills and 400 fast enough for 300mt shots. The 450Rigby I think is one of the few 458"s that could do the same with 458pills. I am not familiar with 458 bullets so can not comment on the ones you list.

The CZ 550 will give you the weight you want and will hold 4 in the mag.



Rule303
Yes I forget to mention the 416Rigby bloodline. One of the other atteactions to the 450 round To be honest I had not thought about the CZ550 as a rebarrell proposition but it does make sense.
Thanks & regards
Rick

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tophet1
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Reged: 15/09/07
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Loc: NSW, Australia
Re: 450 Rigby Magnum (Rimless) - how versatile [Re: 375Brno]
      #198408 - 02/01/12 10:44 AM

The CZ 416Rigby route will save you a lot of money. Just the cost of a barrel, chambering, fitting and finishing.

You are talking serious recoil too, but it will flatten anything.

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Rolf
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Reged: 26/02/07
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Loc: Germany, Bavaria
Re: 450 Rigby Magnum (Rimless) - how versatile [Re: tophet1]
      #201818 - 06/02/12 10:55 PM

Hello Rick,

I do not have experience with the 450 Rigby, but I load the 460 Weatherby down to the 450 Rigby level and I can recommend this velocity/energy range.

My load is the 500grs Hornady for about 2360 fps, and I had the luck to place 4 shots into 40mm at 100 meters (rifle rested on bench).
Recoil is available, but acceptable.

The 300grs Flat HP from Sierra and Hornady and the 405grs flat point SP are not recommended for hunting purposes with velocities above the 45/70 level, but for plinking the are very useful.
The 350grs Speer SP is describend in the Speer manual as suited for the .458 Win, so that would be an alternative for light game.

The Brno as a basis for the conversion is very good, but I would replace the factory safety because it works the wrong way.

best regards
Rolf

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fourbore
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Reged: 28/03/10
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Re: 450 Rigby Magnum (Rimless) - how versatile [Re: Rolf]
      #201844 - 07/02/12 06:25 AM

The CZ 550 Magnum safety has been reversed (made right). It now now forward to fire. At least on those currently imported to the USA.

It has to be a bitch for someone with both old and new guns!

As Rolf says, a bolt mounted (Winchester M70 style) safety is available after market. I got one from AHR (American Hunting Rifles).

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Huvius
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Reged: 04/11/07
Posts: 3618
Loc: Colorado
Re: 450 Rigby Magnum (Rimless) - how versatile [Re: fourbore]
      #201849 - 07/02/12 07:45 AM

How about a rebore/rechamber of a 416 rather than a total rebarrel?
I could see doing this with a Ruger since they tend to be heavy in the barrel - at least some are, don't remember if the older ones or newer ones had a heavier barrel but I thought it was one or the other.
I could see this as the least expensive route to finding out if the 450 is all you think it could be.

--------------------
He who lives in the past is doomed to enjoy it.

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ozhunter
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Reged: 18/08/04
Posts: 1692
Loc: Sydney, Australia
Re: 450 Rigby Magnum (Rimless) - how versatile [Re: Huvius]
      #202314 - 12/02/12 09:15 PM

Quote:

How about a rebore/rechamber of a 416 rather than a total rebarrel?
I could see doing this with a Ruger since they tend to be heavy in the barrel - at least some are, don't remember if the older ones or newer ones had a heavier barrel but I thought it was one or the other.
I could see this as the least expensive route to finding out if the 450 is all you think it could be.


A good plan providing there is someone in Aus that still does this work.

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