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10.75x68 mm, an OK round
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Well I got out and shot my 10.75x68 yesterday, and I'm elated...It shoots one hole groups at 50 yds. with all loads to the same POI at that range, with iron sights...I get 2225 with a 400 gr. Woodleigh, and 2350 with a 250 Barnes X....the rifle is a Mauser, 1/2 oct./1/2 round, 24" lightweight...and will make a nice to carry backup rifle at about 7 pounds and the recoil is not bad at all....Jim Brockman shot a 7 shot group with 7 different loads and all cut one ragged hole about the size of a nickle...

The only brass I can get is Bertram and its not doing so good, soft and damn near gooey..
but I checked Ken Howells book and apparantly I can turn the belt and rim on a 416 shorten it a bit, fire form it and be in business with Win. brass..Jack Belk and I are going to make a couple of hundred cases next week....

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Ray Atkinson

ray@atkinsonhunting.com
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Posts: 42320 | Location: Twin Falls, Idaho | Registered: 04 June 2000Reply With Quote
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Atkinson,
Sorry if I were wrong but I believe RWS still loads the 10,75x68.
Therefore, they might be a source for new, reliable and expensive too brass
Regards,
Montero.
 
Posts: 875 | Location: Madrid-Spain | Registered: 03 July 2000Reply With Quote
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MOntero,
I have not been able to obtain any 10.75x68 brass in the USA...And several outlets told me that RWS had dropped it from thier line...

I did have a fine gentleman send me a box of old Kynoch loaded ammo, but I won't shoot that.

RWS brass is one of my favorite and I will look further into that...sure beats having to make that stuff...

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Ray Atkinson

ray@atkinsonhunting.com
atkinsonhunting.com

 
Posts: 42320 | Location: Twin Falls, Idaho | Registered: 04 June 2000Reply With Quote
<Bill Tompkins>
posted
Ray,

I just checked the "Old Western Scrounger" and he lists RWS loaded ammo for about $62.00, but I didn't see a listing for brass only. Talk about pricey!

Bill

www.ows-ammunition.com

 
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As the kids say, I am so totally jealous. You realize, of course, that this will cause the entire forum to start looking for these old gems and drive the price up. That will reduce the amount of money we can spend on Tanzania safaris. Maybe for the long term benefit of your business, you ought to discard it quick. I've got a lovely lot of salt water near here, just send it on down and no one will ever see it again.

[This message has been edited by Oldsarge (edited 09-16-2001).]

 
Posts: 2690 | Location: Lakewood, CA. USA | Registered: 07 January 2001Reply With Quote
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Oldsarge,
I'm afraid this old girl has found a permanent home...one of my better buys in this lifetime...but I'll keep you in mind should my gun trading whore self raise its ugly head and get to thinking about all that profit...

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Ray Atkinson

ray@atkinsonhunting.com
atkinsonhunting.com

 
Posts: 42320 | Location: Twin Falls, Idaho | Registered: 04 June 2000Reply With Quote
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How about some pictures of the fine old gem? Nothing more interesting than going over those old Mausers with a fine toothed comb.

Best,
Todd

 
Posts: 1248 | Location: North Carolina | Registered: 14 April 2001Reply With Quote
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Atkinson,
Reimer Johannsen lists them, made by Dieter Horneber, in his 2000/2001 Wiederladen catalogue.
Horneber brass is expensive, but with mild pressures and careful resizing should last a lifetime.
He is the same Johannsen famous for his mauser-magnum actions. His address is www.johannsen-jagd.de and his e-mail is info@johannsen-jagd.de
Hope it helps, regards, Montero
 
Posts: 875 | Location: Madrid-Spain | Registered: 03 July 2000Reply With Quote
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Elation is the word, Mr Atkinson! Please reveal your loads; 2225 sounds perfect. If this had been the original prewar load, with a decent solid in front, the round would certainly had been more popular and trusted.
RWS discontinued the production 10 years ago, or so I've heard, but they certainly have the equipment available, so we can still recreate a market.
 
Posts: 493 | Location: Finland | Registered: 18 July 2001Reply With Quote
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the loads quoted to me in the Mar.-Apr. 1991 issue of Rifle Magazine were:
74 Grs. WW748 401 gr. RWS solid 2208 FPS
64 Grs. H-335 347 RWS S.P. 2344 GFPS

I used 210 Fed. primers and Woodleigh 401 gr. bullets and 350 gr. Barnes X

I do have a problem with my rifle in that it has excessive head space apparantly and I got some insipient head seperation...

Therefore the fix is to fireform the new cases to start with..That makes my gun a "10.75 x 68 plus".. I fire form the new cases in a mauser action that takes a 10.75x68 seating die (RCBS) for a chamber..I take out the die innards and shoot 15 grs. of Unique, cornmeal and wax, it forms to the the seating die..unscrew it and tap it out with a brass rod and presto the 10.75x68 plus is ready to load and shoot......Also I am going to make some good brass from 416 Remington cases by turning off the belt, shortening and fireforming....

The new Bertram brass I have is the consistency of lead, real crap and they ought to be blackballed for producing such dangerous stuff....I have used in old Winchester calibers without much trouble but in high intensity stuff it is a no no apparantly...I recently read on this board about problems with Bertram...

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Ray Atkinson

ray@atkinsonhunting.com
atkinsonhunting.com

 
Posts: 42320 | Location: Twin Falls, Idaho | Registered: 04 June 2000Reply With Quote
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Atkinson,
Reimer Johannsen lists them, made by Dieter Horneber, in his 2000/2001 Wiederladen catalogue.
Horneber brass is expensive, but with mild pressures and careful resizing should last a lifetime.
He is the same Johannsen famous for his mauser-magnum actions. His address is www.johannsen-jagd.de and his e-mail is info@johannsen-jagd.de
Hope it helps, regards, Montero
 
Posts: 875 | Location: Madrid-Spain | Registered: 03 July 2000Reply With Quote
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Montero,
I know Reimer pretty well and I talked to him a couple of days ago and got a quote from him on the brass...It will take 6 mo. delivery....

Montero,
I believe I can make brass from 416 Remington by purchasing a 416 sizer body cut it off about 1/2 inch and use it for a chuck to hold the case in the lathe then cut a few thousands off the 416 case, along with the belt and a little rim, then deepen the extractor groove if necessary...then shorten it of course....no problema! pero mucho travajo.

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Ray Atkinson

ray@atkinsonhunting.com
atkinsonhunting.com

 
Posts: 42320 | Location: Twin Falls, Idaho | Registered: 04 June 2000Reply With Quote
<Vasa>
posted
Ray;
What is required to change a 10.75x68 into a 404 Jeffery other than rechambering? I located a Mauser Oberndorf Mod B in 10.75x68. The gun is well used , refinished, but not expensive. It has a tangent sight, was that common?

Vasa

 
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Posts: 7857 | Registered: 16 August 2000Reply With Quote
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Alf,
Add to that the magazine must be openned up in the rear and even about thirty ot fourty thousands in front and that requires new magnum lenth bottom metal at about $350 retail....

the 10.75x68 is a bugger to redchamber as not many rounds will clean the chamber properly other than the 404....

I am presently dealing with that problem, and will probably go the 404 route...the only brass available is Bertram and it just won't cut the mustard unless you load down to minimum loads of 400 gr. bullet at 1900-2000 FPS and thats pretty glum stuff for a round that can easily handle a 400 gr. bullet at 2175 FPS if one had decent brass...

I will have a bunch of new Bertram brass if anyone wants it, also new dies.

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Ray Atkinson

ray@atkinsonhunting.com
atkinsonhunting.com

 
Posts: 42320 | Location: Twin Falls, Idaho | Registered: 04 June 2000Reply With Quote
<Vasa>
posted
ALF and Ray;

Thanks for the info. This gun is advertised in 'Canadian Access...', probably same one as in the 'Gunrunner'. I have not seen it but it sounds like it has been tampered with and that the bore is 'dark'. Probably best left alone.

Vasa

 
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Ray,
Jeez, old man, you don't let the grass grow under your feet! I got stuck in meetings until 5:00 p.m. and you sucked up those dies from Matthews like a vacuum cleaner. I though you already had .404 dies.
Sarge
 
Posts: 2690 | Location: Lakewood, CA. USA | Registered: 07 January 2001Reply With Quote
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I snuck under you and Ricks on those babies..that always gives me a warm feeling Ricks will probably soak my barrel in lime or something awful in a fit of vengence....

I sold my dies with my last 404...so I really needed them..

You guys need to quit sleeping late.

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Ray Atkinson

ray@atkinsonhunting.com
atkinsonhunting.com

 
Posts: 42320 | Location: Twin Falls, Idaho | Registered: 04 June 2000Reply With Quote
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Sarge,
By way of explanation, Ricks is making my 10.75x68 a 10.75x73 (404 Jefferys)

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Ray Atkinson

ray@atkinsonhunting.com
atkinsonhunting.com

 
Posts: 42320 | Location: Twin Falls, Idaho | Registered: 04 June 2000Reply With Quote
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Actually, that was what I would have done with it myself, originally. No hard feelings, I won't need any .404 dies until next year anyway. I'm still raising money to start the project!
Sarge
 
Posts: 2690 | Location: Lakewood, CA. USA | Registered: 07 January 2001Reply With Quote
<10point>
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What is the history of this round ? When was it first developed ? Was there a "Renassance period" for the developement of metric big bore's ?........thanx.........10
 
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