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Reading the comments section in that article it is pointed out that somebody came up with the 9.3X57 based on the 8X57 and Bock lengthened the case to 62mm to get decent performance from the 9.3. Later he made it a true 375 H&H performer by going with the 64mm case.

What Spooner forgets/doesn't know is the 8X57 was the parent case for the 30-03/30-06. The US studied the 8X57 and used it's dimensions but lengthened for greater powder capacity and hence greater velocity.

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Now that you point it out, pretty obvious, the 9.3x57 if older is the parent design.

Which is older, the 9.5x57 or the 9.3x57? Amd what do people think is the origins or reasons behind the 9.5x57? Who designed it?

Of course the 8x57 is the basis for the case. Perhaps an attempt to duplicate older (?) rimmed .375 cartridge(s) for a bolt action Mannlicher Schoenauer?

Ron Spooner says he hadn't heard of the .366 bore or 9.3mm I think in the video. Doesn't know a single Ameican cartridge with the .366 bore. Hope that is an old video!

Perhaps Remchester could put a .36 bore on a .30-06 case and call it the .365 Remchester? "Invent" something "new". Or a .366 bore on a .308 case and call it the .36 Remchester/ New idea for a 9.3x51mm.

Just making some fun, not poking at the American cartridge "invention" industry. Rarely nothing actually new under the modern sun, which hasn't been done pretty closely before.

Myself, I am going to neck up the 8x68S to 9.3mm and call my "invention" the 9.3x68 Super Express von Hahn.

If I get a Blaster where custom barrels might be possible, I could get all sorts of SEvHahn barrels.

Which has the greater case capacity, the 9.3x68 or the 9.3x64?

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John aka NitroX

...
Govt get out of our lives NOW!
"I love the smell of cordite in the morning."
"A Sharp spear needs no polish"

Edited by NitroX (12/02/22 08:48 PM)

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