  | 257 SYW primer pockets |
11-12-2007, 09:59 AM
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Junior Member
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Join Date: May 2007
Posts: 20
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257 SYW primer pockets
I have been having problems with primer pockets expanding with my 257 stw. This is happening sometimes after one firing and with mild loads, no excessive pressure at all. I have 2 friends that also are having the exact same problem. I thought it was the Remington brass but I tried some Winchester and I'm having the same problem.
I know there seems to be some people on here shooting the 257 stw and i was wondering if you were having similar problems or if anyone had any possible solutions.
Thanks, Gary
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11-13-2007, 09:40 AM
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Silver Member
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Join Date: Feb 2006
Location: Pueblo, CO
Posts: 286
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sure sounds like pressure to me. Try a different load.
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11-13-2007, 10:13 AM
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Platinum Member
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Join Date: Feb 2005
Location: USA
Posts: 2,599
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Quote:
Originally Posted by nvwolfer
I have been having problems with primer pockets expanding with my 257 stw. This is happening sometimes after one firing and with mild loads, no excessive pressure at all. I have 2 friends that also are having the exact same problem. I thought it was the Remington brass but I tried some Winchester and I'm having the same problem.
I know there seems to be some people on here shooting the 257 stw and i was wondering if you were having similar problems or if anyone had any possible solutions.
Thanks, Gary
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The stretching of primer pockets is most definately a sign of excess pressure......Wouldn't this post fit better in the reloading section?
__________________
range it,check the wind, dial in correction, aim and only one shot
Last edited by jwp475; 11-13-2007 at 10:24 AM..
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11-13-2007, 05:09 PM
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Junior Member
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Join Date: May 2007
Posts: 20
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It isn't pressure as all 3 of us have loaded way down. I tried loads that were 5 grains lower than the listed starting load. 100 grain ballsitic tip with 70 grains of Ram Shot Magnum and the pocket expanded after one firing.
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11-13-2007, 05:23 PM
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Join Date: Feb 2006
Location: Pueblo, CO
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Umm, yes it can be pressure. Not enough powder can create high pressure just like too much can. Move up into the recommended range and I bet you won't be stretchin' your primer pockets out. ;)
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11-13-2007, 06:12 PM
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Platinum Member
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Join Date: Feb 2005
Location: USA
Posts: 2,599
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A primer pocket can't stretch by majic it has to be pressure......
__________________
range it,check the wind, dial in correction, aim and only one shot
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11-13-2007, 06:44 PM
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Silver Member
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Join Date: Jul 2007
Posts: 137
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Quote:
Originally Posted by devildoc
Umm, yes it can be pressure. Not enough powder can create high pressure just like too much can. Move up into the recommended range and I bet you won't be stretchin' your primer pockets out. ;)
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Very good point that not many people know or consider.
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