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Shooting & Reloading - Mausers, Big Bores and others >> Big Bore Rifles
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atkinson6
.375 member


Reged: 26/01/04
Posts: 678
Loc: Idaho
Re: .375, the medium bore shooter's Big bore [Re: atkinson6]
      #11369 - 11/03/04 05:02 AM

Finegunmaker,
I think your making too much out of the opening up of a Mauser or particularly a M-70 (it is 375 Length to start with)and its been done like that for several decades without even a hint of a problem, only a few that theroize on such...

That aside the 9.3x64 is one of the most overlooked rounds in the modern world...It is simply the best all around cartridge ever designed...

It will send a 320 gr. Woodleigh down the hall at 2500 FPS, or a 285 gr. bullet at 2700 or a 250 gr. at darn near 3000 all with good handloads and a 26" barrel..hard to beat that...Its only draw back has been brass availability but now Huntingtons is handleing Horneber and its the best...also 9.3x64 brass can be had by turning off the belt of a 338....

A lot can also be said about the 9.3x62.. With a long tube its a wonder gun...

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thefinegunmaker
.224 member


Reged: 21/02/04
Posts: 24
Loc: Southern Wisconsin
Re: .375, the medium bore shooter's Big bore [Re: atkinson6]
      #11374 - 11/03/04 06:58 AM

Ray

I agree with you that I am making a big deal out of too little material behind the lug. It's just my personal take, excusing my affinity for the SHORT magnum and it's fantastic efficiency when used on a .308 bullet and larger. As a former student of the school that Ackley started, I have become a real fan of his simple truth relating to overbore and efficient cartridges. In his two reloading books he constantly slams the overbore cartridges and praises the more efficiently sized or improved rounds. After all this his answer to "what would your one gun be?" if limited to only one was the 220 swift. A little overbore??

Most of my M70 experience is with the Dakota 76. The short mag, 06, and 375long mag are all the same action length. The only difference was the length and width of the magazine cutout. The short mag Dak76 cutout matches my pre64 m70 action that was origionally 270 win. The mag box on my old win has vertical "flutes" that hold the 06 cases closer together. The Dakota 76 uses the Mauser width mag box for 06 rounds. I have not seen a pre64 short magnum M70, but I assume it is exactly the same action as my pre64 270 with a larger boltface and smooth sides on the mag box. I am under the assumption that the 375 length pre 64 is the same as Dakota's with the very short feed ramp and narrower feed rails than the short mag.

The 9.3x64 has caught my eye recently because of it's short mag size and impressive ballistics. Do you know who makes barrels for this size? It's too bad the 35 Newton never caught on, another awsome short mag without the useless belt. It would have been a great case for a 375 or 416 bullet for thinning the prarie dog heards!

gunmaker
http://users.elknet.net/chico

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unspellable
.300 member


Reged: 06/03/04
Posts: 187
Loc: Iowa
Re: .375, the medium bore shooter's Big bore [Re: atkinson6]
      #11544 - 15/03/04 04:30 AM

A much unsung advantage to the standard 375 H&H is that the tapered shoulder works well with light loads. I use it for rabbits! A 270 grain cast bullet at 1300 fps that is quite accurate, drills a neat hole and doesn't spoil the meat. The newer super duper blown out and improved sharp shouldered cases do not like such light loads.

Know think about this for a minute. If you are used to going out and getting rabbits with a 375, you'll probaby manage to hit that buffalo with it.

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atkinson6
.375 member


Reged: 26/01/04
Posts: 678
Loc: Idaho
Re: .375, the medium bore shooter's Big bore [Re: unspellable]
      #11620 - 16/03/04 05:43 AM

Finegunmaker,
Lother Walther makes the best barrels I have used to date and they make a 9.3 barrel with a 1x14 twist and that is the best for 250 to 320 gr. bullets....

A Mauser or M-70 can be opened in the rear and require less than a hundred thousands removal of the front feed ramp, not thats not going to hurt a thing, and you can remove that much metal with your fingernail

But I have to keep in mind that I travel a lot and cannot have a improperly marked case that does not coincide with the caliber of my rifle..I just prefer to not deal with problems like that, be they real or rumored...

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