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DORLEAC
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Reged: 22/01/12
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Loc: Perpignan, France
Re: John Rigby 9 of 25 Mauser 98 in .350 Rigby Mag [Re: NitroX]
      #327464 - 19/04/19 09:03 PM


Hi John,

Highlamd Stalker rifles are built on standard length modern made 98' type action.
Only original pre-war .275 HV Rigby used intermediate [medium] already 7x57 barreled Oberndorf made actions.

DORLEAC
wwww.dorleac-dorleac.com


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Huvius
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Reged: 04/11/07
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Loc: Colorado
Re: John Rigby 9 of 25 Mauser 98 in .350 Rigby Mag [Re: NitroX]
      #327470 - 20/04/19 12:01 AM

Quote:

Quote:

I had not even thought about the thread size!
Makes sense that the non-step action was standardized for the 416 and 350 Magnum and presumably used from that point on for new builds.




Don't know as a fact, but if you are referring to the current Rigby builds, I doubt any Highland Stalker based rifles use the same action as the "Big Game model" .416 rifles. The Highlamd Stalker rifles are designed as "medium action" rifles not big game rifles. Specific action sizes? Don't know.




I was referring to the run of pre war Rigby 416s and 350s.
The new 350 looks to be on a standard length action.
There is certainly good reason to use a magnum length action for the 416, although as we know Rigby also built the occasional 416 on a standard action, but the 350 doesn't really need to be a magnum length any more than a 333 or 404 Jeffery do.
Of course, once available, Jeffery used magnum '98 actions for those too, so maybe it was a cache' deal - making sporting rifles on actions that were never meant to be for military use.

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


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kuduae
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Re: John Rigby 9 of 25 Mauser 98 in .350 Rigby Mag [Re: Huvius]
      #327472 - 20/04/19 01:23 AM

Going by the position of the recoil lug reinforcement, that John Rigby 9 of 25 Mauser 98 in .350 Rigby Mag is built on a modern Magnum length action, just like their Big Game rifles. Not a "Highland Stalker" standard length action. According to Jon Speed, it is quite easy to identify standard or magnum length actions, if there is a recoil crossbolt in the stock: As action screw distance is the same on intermediate, standard and magnum length actions, the recoil lug is more to the rear on magnum length actions. So on standard length actions a recoil crossbolt is about centered under the receiver ring, while on magnum length actions it is closer to the rear end, like on this .350 Magnum rifle.

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Huvius
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Re: John Rigby 9 of 25 Mauser 98 in .350 Rigby Mag [Re: kuduae]
      #327485 - 20/04/19 02:56 AM

Quote:

Going by the position of the recoil lug reinforcement, that John Rigby 9 of 25 Mauser 98 in .350 Rigby Mag is built on a modern Magnum length action, just like their Big Game rifles. Not a "Highland Stalker" standard length action. According to Jon Speed, it is quite easy to identify standard or magnum length actions, if there is a recoil crossbolt in the stock: As action screw distance is the same on intermediate, standard and magnum length actions, the recoil lug is more to the rear on magnum length actions. So on standard length actions a recoil crossbolt is about centered under the receiver ring, while on magnum length actions it is closer to the rear end, like on this .350 Magnum rifle.




You are absolutely correct!
In fact, I was just looking at a rifle online this AM that also looks to be a Magnum action and I was trying to remember how the front lug / crossbolt relation is a great clue.
Good to see that Rigby is staying true to the original 350 Magnum configuration.

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


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NitroXAdministrator
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Reged: 25/12/02
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Re: John Rigby 9 of 25 Mauser 98 in .350 Rigby Mag [Re: kuduae]
      #327511 - 20/04/19 06:23 PM

Quote:

Going by the position of the recoil lug reinforcement, that John Rigby 9 of 25 Mauser 98 in .350 Rigby Mag is built on a modern Magnum length action, just like their Big Game rifles. Not a "Highland Stalker" standard length action. According to Jon Speed, it is quite easy to identify standard or magnum length actions, if there is a recoil crossbolt in the stock: As action screw distance is the same on intermediate, standard and magnum length actions, the recoil lug is more to the rear on magnum length actions. So on standard length actions a recoil crossbolt is about centered under the receiver ring, while on magnum length actions it is closer to the rear end, like on this .350 Magnum rifle.




Good observation. Thanks for the information.

So does the mength of the .350 Rigby Magnum justify a magnum length action? Even if capable of using a standard length action? If so, I could imagine most London Best custom users choosing the magnum length action as a definite choice.

--------------------
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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Huvius
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Re: John Rigby 9 of 25 Mauser 98 in .350 Rigby Mag [Re: NitroX]
      #327520 - 21/04/19 12:31 AM

I don't think the cartridge requires the use of a magnum length action but it is on the long end of the standard action capability.
Seems like any action set up for the 300 or 375H&H would be a close to ready to go although the H&H case has a rim .005" bigger so the bolt face would be a tad oversized.

Some cartridge overall lengths for comparison:
350 Magnum - 3.60"
400/350 - 3.60"
375 H&H - 3.60"
333 Jeff. - 3.48"
318 W.R. - 3.40"
The 416 Rigby is 3.72"

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


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kuduae
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Reged: 13/01/10
Posts: 1756
Loc: middle of Germany
Re: John Rigby 9 of 25 Mauser 98 in .350 Rigby Mag [Re: Huvius]
      #327521 - 21/04/19 01:42 AM

Look at Jon Speed's "Mauser – Original Oberndorf Sporting Rifles", page 127, table 222. It's a list of the magazine box dimensions the pre-war Mauser factory used. The box lengths used for various chamberings:
69 mm = 2.76" for 6.5x54 Mauser K, 8x51, .250-3000 Savage (K action)
79 mm = 3.11" for 7x57 (intermediate action)
84 mm = 3.31" for 8x60, 9x57, 10.75x68 (standard length action)
85 mm = 3.35" for 9.3x62
88 mm = 3.46" for 7x64 and .30-06
92 mm = 3.62" for .318, .333, .404, 9.3x64 (some standard length, most often magnum actions)
All longer magazines used magnum length actions then:
95 mm = 3.74" for .350 Rigby, .375 H&H, 8x75, 8x68
96 mm = 3.78" for .280 Ross
97.5 mm = 3.84" for .416 Rigby.
Mauser frowned upon the practice of opening up standard length actions to take longer cartridges like the .375 H&H. This became common practice after WW2 only when magnum length actions were not available any more. Even the FN "Magnum" actions are merely opened up standard length ones. RWS and Brenneke went another way. When they resumed production of their 8x68S and 9.3x64 cartridges in the 1950s, they seated bullets deeper to keep cartridge oals at 87 and 85.6 mm and thus fitted them to standard length actions and magazines.


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DarylS
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Reged: 10/08/05
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Re: John Rigby 9 of 25 Mauser 98 in .350 Rigby Mag [Re: kuduae]
      #327523 - 21/04/19 03:07 AM

Wikipedia gives the OAL of the .350 magnum as 3.44"
"Overall length 3.44 in (87 mm)"

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


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


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