The Accurate Reloading Forums
8X57

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https://forums.accuratereloading.com/eve/forums/a/tpc/f/9411043/m/1401031572

02 July 2023, 21:46
Atkinson
8X57
BRAIN SLUMP: AGE RELATED??? shocker

8X57 JS IS 323 BORE?
8X57 J IS .318?

CORRECT?


Ray Atkinson
Atkinson Hunting Adventures
10 Ward Lane,
Filer, Idaho, 83328
208-731-4120

rayatkinsonhunting@gmail.com
02 July 2023, 22:00
RogersGunWorks
Ray,
You'll be glad to hear your brain got this one right. J bore is .318 & S bore is .323.
03 July 2023, 02:44
Atkinson
so why the JS on some mausers they are .323 also Im thinking


Ray Atkinson
Atkinson Hunting Adventures
10 Ward Lane,
Filer, Idaho, 83328
208-731-4120

rayatkinsonhunting@gmail.com
03 July 2023, 04:21
Hipshoot
Isn't S for spitzer?

Hip
03 July 2023, 06:49
eagle27
quote:
Originally posted by Hipshoot:
Isn't S for spitzer?

Hip


Yes the larger bore JS 8x57 cartridge was introduced in 1905 using a 154gr Spitzer bullet with MV of 2880 fps. The earlier .318" bore J cartridge used a round nose 226gr bullet with MV of 2093fps.