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

DarylS
.700 member

Reged: 10/08/05
Posts: 27006
Loc: Beautiful British Columbia, Ca...

Re: 9x57 information
30/09/12 01:45 AM

Bob - the small rings, M96's, M94's and/or M98's are or have all been chambered at one time for the 6.5x55, 7x57, 8x57, 9.3x57, 9.3x62, and now, .30/06.
The SAAMi and/or CIP standards for those rounds run a low of 55,000PSI for the 6.5, with the others except for the '06 running 57,000psi. The '06 is 60,000psi.

Thus, normal loading should be just fine.

Many of the old rounds were developed at a time when the smokeless powders were 'flighty' to say the least. They were prone to wide jumps in pressure and were also very sensitive to heat. Thus rounds that might be seen to go to Africa, were loaded very softly. Today, such rounds are still being loaded softly, except for the 7's and 8's on the 57mm case as loaded in Europe by Norma and others. Today, most of the 9's, 9.3's and 9.5's are still loaded quite softly. One can improve upon factory ballistics by a measurable amount.

Since the case capacity is slightly more than the .358 Winchester, it's ballistics should be approachable in your rifles, through careful load development. If not fully confident in this, one could always stay with factory level ballistics.

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

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

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Subject	Posted by	Posted on
9x57 information	NorthernBob	29/09/12 03:54 AM
Re: 9x57 information	xausa	29/09/12 05:22 AM
Re: 9x57 information	NorthernBob	29/09/12 05:48 AM
Re: 9x57 information	kuduae	29/09/12 07:39 AM
Re: 9x57 information	NorthernBob	29/09/12 09:15 AM
Re: 9x57 information	GK	29/09/12 10:13 AM
Re: 9x57 information	DarylS	30/09/12 01:45 AM
Re: 9x57 information	NorthernBob	30/09/12 02:23 AM
Re: 9x57 information	DarylS	30/09/12 09:33 AM
Re: 9x57 information	NorthernBob	02/10/12 02:33 PM
Re: 9x57 information	DarylS	03/10/12 01:05 AM
Re: 9x57 information	DarylS	03/10/12 01:19 AM
Re: 9x57 information	GK	03/10/12 09:32 PM
Re: 9x57 information	DarylS	04/10/12 02:01 AM
Re: 9x57 information	NorthernBob	06/10/12 09:04 AM
Re: 9x57 information	DarylS	06/10/12 10:05 PM
Re: 9x57 information	NorthernBob	07/10/12 01:46 AM
Re: 9x57 information	DarylS	07/10/12 03:19 AM
Re: 9x57 information	NorthernBob	07/10/12 04:09 AM
Re: 9x57 information	DarylS	08/10/12 03:21 AM
Re: 9x57 information	NorthernBob	09/10/12 06:35 AM
Re: 9x57 information	DarylS	09/10/12 11:30 PM
Re: 9x57 information	NorthernBob	10/10/12 12:02 AM
Re: 9x57 information	DarylS	10/10/12 03:31 AM

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