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Shooting & Reloading - Mausers, Big Bores and others >> Mauser Discussion Forum

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savage458
.275 member

Reged: 16/04/12
Posts: 68
Loc: Indiana, USA

458 Mag on Mauser Banner
#231482 - 23/06/13 07:30 AM

I am looking for opinions on my project, its Mauser Standard Model that has 18" 458 Win Mag. barrel installed. Test fire was done with Factory 500 gr. bullets. All looks good so far. Has anybody else built a gun like this ? Is this Mauser action in demand for Magnum's, or am i going overboard ?

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pjaln
.375 member

Reged: 08/06/06
Posts: 711
Loc: massachusetts ,U.S.A.

Re: 458 Mag on Mauser Banner [Re: savage458]
#231494 - 23/06/13 02:00 PM

here ya go ,,458 on a standard action....paul

Edited by pjaln (23/06/13 02:01 PM)

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ozhunter
.400 member

Reged: 18/08/04
Posts: 1692
Loc: Sydney, Australia

Re: 458 Mag on Mauser Banner [Re: pjaln]
#231504 - 23/06/13 05:55 PM

I use a 458 built on a standard M98 BUT with the use of 480grn bullets.

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DORLEAC
.333 member

Reged: 22/01/12
Posts: 465
Loc: Perpignan, France

Re: 458 Mag on Mauser Banner [Re: ozhunter]
#231507 - 23/06/13 07:37 PM

For info.
A .458 Lott working PH rifle built on a standard length FN Mauser 98 action.
Feeds and shoots perfectly either 458WM or Lott, even mixed.
Caution, never weaken the action in opening it at front of receiver, best way being to gain space at the rear of action.

DORLEAC
www.dorleac-dorleac.com

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Igorrock
.400 member

Reged: 01/03/07
Posts: 1649
Loc: Finland

Re: 458 Mag on Mauser Banner [Re: DORLEAC]
#231508 - 23/06/13 08:44 PM

Quote:

Caution, never weaken the action in opening it at front of receiver, best way being to gain space at the rear of action.

Could you shortly describe how that work should be done ? I think it needs some alternations to bolt stop and ejector too.

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

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DORLEAC
.333 member

Reged: 22/01/12
Posts: 465
Loc: Perpignan, France

Re: 458 Mag on Mauser Banner [Re: Igorrock]
#231529 - 24/06/13 02:55 AM

To gain space at the rear you must allow the bolt to travel further back.
The bolt stop must be modified and it's better to choose an ejector blade with oval pivot hole.
Making a special magazine box that fits the receiver machined -the original opening is extended at the rear- with a restrained modification of the feeding ramp, allows sufficient room for the cartridge.
Notice also that to prevent any jam when unloading an unfired cartridge, the loading "window" on the left side as to be opened and that's a good choice to replace the original short extractor by a longer magnum one.

DORLEAC
www.dorleac-dorleac.com

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Igorrock
.400 member

Reged: 01/03/07
Posts: 1649
Loc: Finland

Re: 458 Mag on Mauser Banner [Re: DORLEAC]
#231530 - 24/06/13 03:09 AM

Thanks!

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

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Caprivi
.375 member

Reged: 30/09/08
Posts: 811
Loc: America's Serengeti, Buffalo W...

Re: 458 Mag on Mauser Banner [Re: Igorrock]
#231534 - 24/06/13 04:16 AM

Quote:

Notice also that to prevent any jam when unloading an unfired cartridge, the loading "window" on the left side as to be opened and that's a good choice to replace the original short extractor by a longer magnum one.
Quote:

I agree and think this is a MUST modification on the longer loaded cases. A 458win with 500's is long enough to hang up in a standard size Mauser window. I have lost the pictures of this build, but here is a "stump" picture the day Jim Gefroh picked it up. This is a Mark X in 458Lott using a SunnyHill Rigby bottom metal.

--------------------
To live life as it is handed to me from God

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savage458
.275 member

Reged: 16/04/12
Posts: 68
Loc: Indiana, USA

Re: 458 Mag on Mauser Banner [Re: ozhunter]
#231551 - 24/06/13 06:50 AM

ozhunter,

Thanks for showing me your 458, its a very beautiful gun. Did you have to use double stock reinforcing bolts ? Is one enough ? I don't use 500 grain bullets for my hunting, only 350 soft nose that feeds perfectly thru the action as it is. I didn't alter anything, still same as it was made by Mauser. I was thinking of using only one bolt, do you think that will be enough ?

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savage458
.275 member

Reged: 16/04/12
Posts: 68
Loc: Indiana, USA

Re: 458 Mag on Mauser Banner [Re: pjaln]
#231553 - 24/06/13 07:11 AM

pjaln

Thanks for showing me your 458, its very nice one. What bullet weights do you shoot in it ?

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savage458
.275 member

Reged: 16/04/12
Posts: 68
Loc: Indiana, USA

Re: 458 Mag on Mauser Banner [Re: DORLEAC]
#231554 - 24/06/13 07:15 AM

dorleac

Your gun is so nice, wish mine looks like that. I see no crossbollt's in stock, is it done so it looks clean, or do you have inside recoil block's ?

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DORLEAC
.333 member

Reged: 22/01/12
Posts: 465
Loc: Perpignan, France

Re: 458 Mag on Mauser Banner [Re: savage458]
#231572 - 24/06/13 04:30 PM

savage 458

One inside steel recoil block and full receiver bedding with composite epoxy.

DORLEAC
www.dorleac-dorleac.com

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ozhunter
.400 member

Reged: 18/08/04
Posts: 1692
Loc: Sydney, Australia

Re: 458 Mag on Mauser Banner [Re: savage458]
#231573 - 24/06/13 05:31 PM

Quote:

ozhunter,

I was thinking of using only one bolt, do you think that will be enough ?

Its probably more a matter of "safe than sorry" but of interest is that my Smith only put one in my 9.3x62;

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savage458
.275 member

Reged: 16/04/12
Posts: 68
Loc: Indiana, USA

Re: 458 Mag on Mauser Banner [Re: ozhunter]
#231577 - 24/06/13 09:45 PM

ozhunter

Just what i was thinking, one crossbolt is enough, if all other bedding i done right. I made one Mauser 458 that my friend that lives in Alaska now,talked me out off, one recoil lug on barrel only, with bolt thru the forearm threaded into same lug, to keep it tight. He uses hand loaded 350 gr.round nose, soft tip bullets only, for Grizz and Moose. Works like a charm.

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DarylS
.700 member

Reged: 10/08/05
Posts: 27005
Loc: Beautiful British Columbia, Ca...

Re: 458 Mag on Mauser Banner [Re: savage458]
#231587 - 25/06/13 12:28 AM

An article with pictures appeared many years ago in a Gun Digest, suggesting the recoil lug area of the stock being hogged out side to side - front 2/3rds and a rough square steel 'plug' be glassed into that spot with Devcon Plastic steel. I used this method for years, even on a soft wood (F. Reinhart Claro) stocked .458, but that stock let me down periodically, by cracking, until I put in crossbolts. The wood had huge grain pores and was very soft. The .375's I'd done previously to this and the later .458 Alaskan were all just fine with the plate in the recoil lug area and actions properly glassed in Devcon. It was the 50/50 mix that I'd used, which is no longer available. JB Weld seems to do OK of me nowadays.

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

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

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savage458
.275 member

Reged: 16/04/12
Posts: 68
Loc: Indiana, USA

Re: 458 Mag on Mauser Banner [Re: DarylS]
#231594 - 25/06/13 03:29 AM

Daryl S

I remember similar article, and i think that it can work, if all upper action is bedded correctly, i did it, on other 458 scoped gun, and on this "458 Brush Gun" that a am working on, but on this one i added barrel recoil lug that's threaded and bolted thru forearm. So there are 3 bolts holding action to the stock. I have now total reliability, feeding 350 gr bullets, and knowing that it will not fail me, if Grizz comes at me to collect money i owe him. Thanks for suggestion, it is valid one.

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DarylS
.700 member

Reged: 10/08/05
Posts: 27005
Loc: Beautiful British Columbia, Ca...

Re: 458 Mag on Mauser Banner [Re: savage458]
#231603 - 25/06/13 06:31 AM

Now that you mention it, I recall doing the very same thing with the lug bedded and screwed in the forend - but - it was on the .376/06IMP barrel I put on that action to replace the .458 barrel.

I was running some pretty scary loads and that Fagen Reinhart stock didn't like those any more than the .458 2"'s loads- kept splitting. Now, it's coming clearer. Seems to me I did the crossbolts and forend lug at the same time - no more splits. I "kinda" remember sweating about silver brazing that lug on, even though I had some anti-scale stuff from Brownell's in the barrel. It turned out fine! That was LONG time ago - bit fuzzy - man - I was just a kid - of 30yrs. Many distractions happened in the next 33.

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savage458
.275 member

Reged: 16/04/12
Posts: 68
Loc: Indiana, USA

Re: 458 Mag on Mauser Banner [Re: DarylS]
#231606 - 25/06/13 08:05 AM

Daryl S

Thanks for input, and if a my say, you are 1 MAN riot, ha ha ha !
Here i go now, will shoot me Cape Buffalo, this evening, big black one (black painted cardboard) you know !

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pjaln
.375 member

Reged: 08/06/06
Posts: 711
Loc: massachusetts ,U.S.A.

Re: 458 Mag on Mauser Banner [Re: savage458]
#231930 - 01/07/13 01:50 PM

savage ,,my reciol lug is built into the bottom of the rear sight base( jasper rayborn) ,,plus i have crossbolts ,,,and also i hardly shoot any of my rifles so loads are of the shelf...paul

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DORLEAC
.333 member

Reged: 22/01/12
Posts: 465
Loc: Perpignan, France

Re: 458 Mag on Mauser Banner [Re: pjaln]
#231940 - 01/07/13 07:11 PM

When carefully fitted, and inside recoil block is as good than an outside secured one. We have encountered numerous vintage English and German big bores so equipped and even after more than fifty years of usage under severe climates, we have never noticed a stock problem relative to the recoil.
The last one was a take down H&H .375 rifle that has seen thirty years of hard use in Cameroon; I'm pleased to show you the arrangement the London maker used for the inside recoil block.

DORLEAC
www.dorleac-dorleac.com

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DarylS
.700 member

Reged: 10/08/05
Posts: 27005
Loc: Beautiful British Columbia, Ca...

Re: 458 Mag on Mauser Banner [Re: DORLEAC]
#231952 - 02/07/13 12:24 AM

This is very similar to the article I mentioned (I think, in this thread) about the steel plate behind the recoil lug. In the article, bedding compound was used to hold the plate against the recoil lug, so the lug's 'bedding' support would be perfect. Having the plate screwed into the stock, would not necessarily give a perfect fit of the rifle's lug against the steel insert. It could but that would be hit and miss. It is VERY much better than a wooden stock against the steel recoil lug, though. Thanks for posting that, DORLEAC.

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

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

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savage458
.275 member

Reged: 16/04/12
Posts: 68
Loc: Indiana, USA

Re: 458 Mag on Mauser Banner [Re: DORLEAC]
#231974 - 02/07/13 07:52 AM

DORLEAC

Thanks for posting this recoil lug pictures. Very nice gun and unusual way to tame recoil of the Magnum cartridge. On my "Short Grizz gun" 18" barrel, i found out that barrel lug w/bolt thru stock, and complete bedding, is enough for shooting ONLY 350 grain bullets. With 3 bolt holding upper metal tight, it didn't split this stock. Yes, the stock has VERY tight strait grain, and that makes difference, i think. Douglas barrel with Ghost ring rear sight, large square 14k Gold front sight shoots very good groups up to 100 yrds. I think that is good enough for Barn-door size Grizz hunting. Some guns are made to be pretty and shoot good, and some just to shoot good, and to be 100% dependable. For my own hunting this one will do. What do you think ?

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savage458
.275 member

Reged: 16/04/12
Posts: 68
Loc: Indiana, USA

Re: 458 Mag on Mauser Banner [Re: pjaln]
#231975 - 02/07/13 07:57 AM

pjaln

Very good, but you need to take your goon out and shoot it, after all GUNS have to have something to tell, after we are gone, don't they ?

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pjaln
.375 member

Reged: 08/06/06
Posts: 711
Loc: massachusetts ,U.S.A.

Re: 458 Mag on Mauser Banner [Re: savage458]
#232021 - 03/07/13 08:14 AM

"30 years of hard use" !!!! to some they were just tools of the trade ,,me i like to fondle them !!hahahaha....paul

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DORLEAC
.333 member

Reged: 22/01/12
Posts: 465
Loc: Perpignan, France

Re: 458 Mag on Mauser Banner [Re: pjaln]
#232045 - 03/07/13 06:42 PM

Paul,

I forgot to mention that the rifle was photographed after a complete overhaul in our workshop.
Indeed, the stock wasn't as smart looking when it came in…!

DORLEAC
www.dorleac-dorleac.com

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