Home Forums Hunting & Shooting Custom Rifles & Wildcats 9.3x64 Brenneke Case (wildcatting)

I spent about an hour last night with the search function trying to find if anyone had done any wildcatting with the 9.3 Brenneke case. I found nada.

Has anyone necked up/down this case or done anything special with it?

Looks like the case capacities would be proportionate to a typical belted case without the belt.

I don't see a whole lot of brass availability though.

Call it brainstorming. What say the collective you?

The .284 Win is a shortened necked down 9.3 x 64 if you look at the dimensions with a slightly reduced head size.

I believe that the .376 Steyr is based on a shortened 9.3x64 case.

Personally I can see no reason to work with that brass. For one reason, it is a bastard head size. For another, RWS is the only maker of brass that I am aware of. And besides that, it's hard to get in the states. (Not to mention - Expensive!)

Edw

I think Vernon Speer or Fred Huntington did a whole series on that case, may have been the Jeffrey Case or both. Used to come only with Berdan Primers and that discouraged very much wildcatting activity.

I believe they switched to boxer primers but am not sure. The odd head size limited their appeal.

I have.

I necked it down to 8mm and called it 8mm MAZON. You an find info on the following web pages.

http://www.wildem.de/

http://www.municion.org/8/8x64Mazon.htm

http://lutz-moeller-jagd.de/English/8-mm-Mazon.htm

http://en.wikipedia.org/wiki/9.3x64mm_Brenneke#Wildcats


Regards from Spain,

Alvaro Mazon


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There is also the 6.5 Messner Magnum. Developed by some guy in France (of all places), this has become a standardized CIP cartridge now.

Another case that is not heard of much but if a reliable source had been available would have been used for wildcatting is the 8x68mm S

8mmwapiti

8mm Wapiti,

The case of 375 and 416 Ruger is almost identical to that of the 8x68S.

BBerg.

WE,

The .376 Steyr was developed by shortening the 9.3X64 case to 60 mm and opening it up from .366" to .375". It is a factory cartridge, but S-M marketed it so poorly that it might as well be a wildcat.

jim

Except the 8x68mm has a rim dia 0.030" smaller, a base dia 0.008" smaller, a case length 0.176" longer and it is a rebated case and the ruger is not. But both cases are made of brass.

8mmwapiti

Very impressive! I really like what you have done.

Thank you, SU35!

I have debated answering this thread for a bit but here it is.

I have had a wildcat which is based on the 9.3X64 for about fifteen years or so. It is a 375 bore with minimum taper on the case and has a 40 degree shoulder. It would safely duplicate FACTORY loads in a 375 H&H, but of course the 375 H&H can be loaded to higher velocities also. I used RWS brass which originally cost me about a dollar a round. I would probably never have done it if the 376 Steyer had been around and for sure wouldn't if the 375 Ruger had been available at the time. In fact, this rifle may eventually be rechambered to 375 Ruger some day.

Nice piece!! built from a Ruger 77? Can't see the details...

Yes, it is a Ruger 77. Here are a few more pics of it.

For all it gets used I should sell it, but it still resides in the back of the safe!!







For all it gets used I should sell it, but it still resides in the back of the safe!!

Very nice. I am digging that straight grip stock. Reminds me of the Dakota's.

BBerg, wonderful work. Thanks for the information.