Opinions needed on this .270 brass........

350mag1

350mag1

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North of the Muskoka's
To give you a little history, I had a friend do some reloads for me with once fired brass. He has done this for years and these loads were not at the top end by any means. While hunting this year, one of the gang looked at one of my fired reload casings and thought I'd better get the gun checked for safety reasons. I'm not a reloader and up until now, just used factory rounds and never paid much attention to the casings. Anyhow, I then checked some once fired cases (Winchester Fail Safe) and noticed the same thing. Do you guys think the bulge in these cases are extreme?
Pic #1 - Casing on top - fired reload vs new casing


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Pic #2 - Winchester Fail Safe measurement taken just in front of bulge.


Pic #3 - Winchester Fail Safe measurement at bulge.
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Like always, your responses are appreciated!
 
The dimensions for a 270 cartridge for diameter just ahead of the groove is .470".
Therefore, the fired case measuring .472 looks to me to be about right. Meaning the chamber is only .002" larger than the optimum size of a case.
Everything is designed to have some tolerance, but the unfired case at .464" may be a little small.
In any case, no pun intended, if the fired cases go back in the chamber OK, then neck sizing only, would be the way to go, and the cases shouldn't expand any more.
 
H4831 said:
The dimensions for a 270 cartridge for diameter just ahead of the groove is .470".
Therefore, the fired case measuring .472 looks to me to be about right. Meaning the chamber is only .002" larger than the optimum size of a case.
Everything is designed to have some tolerance, but the unfired case at .464" may be a little small.
In any case, no pun intended, if the fired cases go back in the chamber OK, then neck sizing only, would be the way to go, and the cases shouldn't expand any more.
Click to expand...

What he said.
 
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