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Shooting & Reloading - Mausers, Big Bores and others >> Mauser Discussion Forum
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Squarebridge
.300 member


Reged: 21/08/08
Posts: 129
Loc: Tennessee
9.3x57 questions
      #113858 - 07/09/08 03:34 PM

What is the general concensus on this cartridge? How does it compare to the 9x57?

Is there any problem rechambering a 9.3x57 to 9.3x62? By which I mean are the shoulders going to work out where the chamber of the larger will clean up nicely and not have a ring in it anywhere.

Thanks.

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Ripp
.577 member


Reged: 19/02/07
Posts: 16072
Loc: Montana, USA
Re: 9.3x57 questions [Re: Squarebridge]
      #113891 - 08/09/08 12:59 AM

Quote:

What is the general concensus on this cartridge? How does it compare to the 9x57?






I am anxiously awaiting 9.3x57's response to this...

Ripp

--------------------
ALL MEN DIE, BUT FEW MEN TRULY LIVE..

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DarylS
.700 member


Reged: 10/08/05
Posts: 26516
Loc: Beautiful British Columbia, Ca...
Re: 9.3x57 questions [Re: Ripp]
      #113894 - 08/09/08 01:18 AM

Hey Ripp- the 9.3x57, if on a 98, is easily rechambered to 9.3x62. The '57's shoudler is the same size as an 8x57's, while the 9.3x62's shoudler and body are much larger - .450" to .454" at the shoudler and larger, of coruse, futher back where the 9.3x57's shoulder was originally.

The 9.3x62 is esentially the same as an improved '06 case with slightly larger base (.006" or so) - or visa-vis depending on how your stick floats.

I don't think I'd re-chamber a m46 (M38 or M96 action). The standard 9.3x57 does a credible job here. Mine runs 2,170fps with 300gr., 2,300fps with 270's, 2,450fps with 232's and 2,540fps with 225's. The 286's run 2,200fps with the 300gr. load and all shoot into cloverleafs at 50 yards. Not bad for a $300.00 rifle. These loads develope very safe pressure in my rifle, along with very excellent accuracy. It's ahead of the .358's and 9mm's due to bullet diameter, weight and velocities attainable.

My M46 Husky has become my favourite rifle for guiding and/or camp bear work. It will be introduced to that 'employment' this fall. The 270's (or 300's) will handle all chores given it, I'm sure, including grizzly control if necessary.
: The 225gr. and 300gr. are drawn Hornady .375" bullets. The 300's being a mite tough, need slight cupping or HP'ing so they'll open according to 9.3x57's testing.

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


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

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9.3x57
.450 member


Reged: 22/04/07
Posts: 5504
Loc: United States
Re: 9.3x57 questions [Re: DarylS]
      #113899 - 08/09/08 01:43 AM

Squarebridge, to answer your question directly, I do not think you or the game would notice much difference between a 9x57 and a 9.3x57.

But since I have an ancient tradition of never using a sentence to say something that can be said in a paragraph...

As Daryl points out, the 9.3x57 has available to it many heavy 285-320 grain bullets and it is possible that these may provide some betterment in performance for certain applications. Also as Daryl has stated in the past, the great reputation garnered by the 9.3x62 was done so with loads tossing a 286 grain bullet at just under 2200 fps, and this level of performance or nearly so is quite attainable with a good strong 9.3x57.

I personally would not rechamber a 9.3x57 to 9.3x62 but if I wanted "modern" x62 performance would buy a new rifle in that chambering.

For my purposes; deer, bear and elk at up to 200 yards, I like the 9.3x57. Cases are cheap {Rem 8x57's}, and loading a snap, and killing power more than adequate. Also, from what I am told, heavy-loaded, lightweight 9.3x62's can have VERY severe recoil depending on rifle. I don't think I would want a 6 lb x62 shoving 286's out at 2500 fps. Recoil of my M46 9.3x57 with 285 grain bullets started at 2100 fps is quite mild, curiously so in my opinion.

I agree with Daryl, I would not rechamber a 9.3x57 M46 to 9.3x62. Action length is a smidgen shorter than the 98's and some x62 hand- and factory loads would require shorter-than-standard length to feed thru the mag, and loaded rounds may not eject without hanging up a bit anyhow. With my 96 and 98 9.3x57's, I can load bullets out very long.

I see these rounds really as in two sort-of separate categories of cartridges: the Modern 9.3x62 as a virtual ditto to yesteryear's .375 H&H Mag, and the 9.3x57 as the ditto to yesteryear's 9.3x62. The former benefits from a fairly heavy rifle to tame modern-load recoil, the latter can be made very light indeed and still be very comfortable to shoot.

Both the 9.3x57 and x62 are excellent cartridges and from what I'm told, so is the 9x57!!

--------------------
What are the Rosary, the Cross or the Crucifix other than tools to help maintain the fortress of our faith in Jesus Christ, the Son of God?

Edited by 9ThreeXFifty7 (08/09/08 06:16 AM)

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88MauSporter
.375 member


Reged: 06/06/07
Posts: 530
Loc: Alaska / Texas
Re: 9.3x57 questions [Re: 9.3x57]
      #113918 - 08/09/08 06:25 AM

I will need to DITTO Daryl and 9.3XFifty7. I have 9.3x57's on both the '98 action and the '96 action. Both are well balanced and relatively light rifles with a slight nod to the '96 action gun for weight.
I have, so far, only taken one animal with the 9.3x57. A 120 pound ferral ram (corsican) in south Texas. This was as a partner to a friend doing a large animal hunt. It was a fairly easy broadside at about 70 yard. The factory 286 gr norma bullet took him at the back lower edge of the right forleg, chest, heart and out the other side. The entrance was about caliber, the heart gone, the exit was about a 4 inch whole. He flew and flopped. Meat in the freezer.
Mine are open sights and shoot like Daryl indicates. My sights as set by the Husky makers are right on for the 286 grain load, but shoots about 6 to 8 inches high with the 232 gr. I have yet to use the 270 gr reloads.
I will also convert my '98 action rifle to a 9.3x62 as soon as I find a Smith capable of the job.
This is to have more available factory ammo that can be obtained in the Country I would intend to hunt.
though I see that Norma has produced new lots of the 286 gr load 9.3x57 and they are available here again.
The M46 (96 action) will have a little face lift and a quick detach scope soon. The sights don't come to my eye when I bring it to shoulder as does the '98 action rifle and stock configuration.
I like the 9.3x57 and would hunt most anything up to say, Eland. In North America, I would be happy with this for most anything under normal conditions. (Though with big bear, I am thinking 2 bore or something!) if I every go after one.

--------------------
"A hunter should not use a rifle that will kill an animal when everthing goes right; you should use one that will do the job when everything goes wrong." 88MauSporter

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9.3x57
.450 member


Reged: 22/04/07
Posts: 5504
Loc: United States
Re: 9.3x57 questions [Re: 88MauSporter]
      #113924 - 08/09/08 07:02 AM

Quote:

but shoots about 6 to 8 inches high with the 232 gr.



A great point.

With my scoped 98 9.3x57 zeroed for 286 grain loads, if I aim due east and center the mountain and fire a round of 232 or resized 225 grain bullets at it, the bullet will fly clear over the peak and yonder and if I give RIPP fair warning, I reckon he could stand in his back yard and shag the thing with a catcher's mitt there in Montana.



--------------------
What are the Rosary, the Cross or the Crucifix other than tools to help maintain the fortress of our faith in Jesus Christ, the Son of God?

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Squarebridge
.300 member


Reged: 21/08/08
Posts: 129
Loc: Tennessee
Re: 9.3x57 questions [Re: 9.3x57]
      #113955 - 08/09/08 03:23 PM

Thanks for the great info. I've just discovered the enchanting world of Reasonably Priced Sporters, and I feel like a kid in a candy shop.

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DarylS
.700 member


Reged: 10/08/05
Posts: 26516
Loc: Beautiful British Columbia, Ca...
Re: 9.3x57 questions [Re: Squarebridge]
      #113979 - 09/09/08 12:27 AM

The most incredible aspect of these big game rifles, is the cost. Heretofore, to buy a big game rifle for cheap, involved buying a military or military sporterized rifle. Now, we have available to us, an eloquent, nicley proportioned hunting rifle capable of handling any game in North America for little more than a cheap military rifle of times gone by.

I wouldn't part with my m46 in 9.3x57.

BTW - my old M98 actioned Sporter in 9.3x62 easily made over 2,600fps with 270 Speers and 2,519fps with 286gr. - all safe and sound loads. What isn't understood by many, is the case capacity of the 62mm case. They think of it as a necked up .30'06. They forget the blown-out portion of this equation. The capacity, at 78gr. is almost 15% greater than the .35 Whelen, for expample, which also includes the straighter sided case which handles pressure so well. That is why the 9.3x62 will actually match and exceed 1912 ammo loaded for the .375H&H, a time when smokeless powders were few and far between and pressures less stable, hense downloading of the H&H round. BUT - that is the ammo that made the H&H famous, along with the 9.3x62 low velocity stuff which back then produced 9.3x57's modern ballistics. Powders today allow us to match the larger round's ballistics with safe pressure. One must know what one is about, though.

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


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

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Rolf
.333 member


Reged: 26/02/07
Posts: 396
Loc: Germany, Bavaria
Re: 9.3x57 questions [Re: DarylS]
      #113986 - 09/09/08 03:22 AM

I have also a 9,3x57 with a medium-to-heavy-weight 22" barrel and find this rifle nearly ideal for driven game hunts for game up to boar (upto 50kg) and for tree-stand hunting for max 150m.
(I shot a poaching cat at laser measured 140m, but I think that luck was also involved...)

A cheap, but precise bullet from Speer (270grs Semi-Spitzer) will mushroom, but not overexpand (270grs / 650 m/s with Kemira N140) at this velocity.
I shot some roe deer and two foxes with the Norma bullet 232grs PPC Vulcan with good performance.
Recoil is very tolerable with a 232grs bullet at 710 m/s => 3600 Joule (Kemira N130).

Iīm very satisfied with the rifle and the seleceted caliber.
If I really need more power, I will go for my 9,3x64.
Thatīs my single reason for not buying a 9,3x62, because the other two calibers do all tasks so well...

best regards
Rolf

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