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3 members (Hoot4570, VintageProf, 1 invisible),
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Jul 28th, 2025
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Joined: Nov 2002
Posts: 937
Sidelock
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Sidelock
Joined: Nov 2002
Posts: 937 |
On my 7X57R I did shoot some light reloads in 7X57 brass to get cases fireformed to chamber, then loaded the fireformed 7X57 cases with same die settings as 7X57R (adjusted to not reset shoulder back to factory location for 7X57). HOWEVER, when I tried to chamber these fireformed, rimless "7X57R" cases in a 7X57, they would not chamber until I set the shoulder back fully. Sure, this might well just be the specific chamber of my 7X57R.
Niklas
Last edited by NiklasP; 11/21/08 10:13 PM.
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Joined: Nov 2004
Posts: 433
Member
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Member
Joined: Nov 2004
Posts: 433 |
As 7x57 Mauser?
Thanks.
I am all confused about these rifle cartriges. Same caliber can have 5-10 different names attached...Must be all different, otherwise why name them differently?
No. They're different cartridges. The difference isn't just rimmed vs rimless. CIP 7X57 and 7X57R standard dimensional specifications for length to shoulder and shoulder angle, although very close, are not the same. Also, CIP max pressure for the rimless is 15% higher than that of the rimmed (56,565 PSI vs 49,313 PSI). If you're loading for a drop down barrel action, you need to respect the significant difference in pressure.
"Serious rifles have two barrels, everything else just burns gunpowder."
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Joined: Nov 2002
Posts: 937
Sidelock
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Sidelock
Joined: Nov 2002
Posts: 937 |
Those Norma 7X57R loads all shoot among the best in rifle barrel of my kombi.
Niklas
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Joined: Jan 2008
Posts: 60
Sidelock
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Sidelock
Joined: Jan 2008
Posts: 60 |
Hello again
I like to know what R stands for,Rimless or Rimmed.I always kall them Rimless, is it wrong.In Sweden its a common kombical.7x57 R.Is`nt 7x57 rimmed.I just wonder.
Best reg Lennart
Last edited by drever; 11/22/08 01:17 PM.
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Joined: Jul 2006
Posts: 130
Sidelock
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Sidelock
Joined: Jul 2006
Posts: 130 |
drever-
The R stands for rimmed. So 7x57R is the rimmed version
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Joined: Apr 2005
Posts: 1,784 Likes: 15
Sidelock
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Sidelock
Joined: Apr 2005
Posts: 1,784 Likes: 15 |
R in this case is of German origin, being short for Rand, which translates to Rim.
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Joined: Aug 2007
Posts: 12,077 Likes: 378
Sidelock
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Sidelock
Joined: Aug 2007
Posts: 12,077 Likes: 378 |
montenegrin:
Very good. Drinks are on me if we ever meet. That fact helped me pass a few physic's exams as my professor was big into rifles, as well as the Beatles, and offered questions for extra credit.
Kind Regards,
Raimey
rse
Last edited by ellenbr; 11/22/08 03:52 PM.
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