Quote:

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If the rifle in question for this thread does indeed have a .455" shoulder, the data I showed will produce less pressure and velocities than if used in a simply necked up 9.3x57 (which should also be lower pressure and vel. t0o start with)

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Here is the 'OP':

Reloading information for the 9.5x56 MS
#323202 - 01/11/19 07:29 PM
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I am looking for reloading data for the 9.5x56MS. I have a 1910 MS rifle (TD) and reloading data seems to be very scarce.
I have shot the rifle with 57 gr of 4320 and 235 gr bullet and it shot very well.


I am looking for data for heavier bullets.




Clearly, the "rifle in question" is a Mannlicher Schönauer M1910, which is 9.5X57MS - also known as 9.5X56MS, or .375 Nitro Express Rimless 2.25", which "does, indeed, have a .455 shoulder".

How is that a "question" here?





9X56MS , 9.3X57 , 9.5X57MS

Note the lower and narrower shoulder of the 9.3X57, as well as the straighter case of the 9.5X57.


Reeds Ammunition 9.5X57, My handload (from .35 Whelen through RCBS dies, unfired), Original DWM 531, fired case of my reload through M1910