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Reloading Berger Bullets


Any difference in brass from lot to lot?

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Unread 05-02-2010, 07:58 PM
Silver Member
Join Date: Dec 2007
Posts: 322
Any difference in brass from lot to lot?

I shoot Winchester brass(7mmWSM),and keep my brass separated by lots.I was just wondering if this is even necessary.Has anyone here ever tested brass from different lots to see if there is a difference in POI.I may end up doing some testing in the future,but was curious if anyone here has done any,to come to any conclusions.
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Unread 05-02-2010, 11:43 PM
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Join Date: Jan 2004
Location: Blackfoot, Idaho
Posts: 8,876
Re: Any difference in brass from lot to lot?

I sort new brass by weight and throw out the highs and lose, usually very few of them, and run with the rest. With Winchester brass over 30 years using 270 Win cases I have found very little weight difference.

Never noticed any difference in POI shift from lot to lot as weights were pretty close.
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Unread 05-03-2010, 08:59 AM
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Join Date: Oct 2007
Location: Mountians of SW NC, near Asheville
Posts: 1,595
Re: Any difference in brass from lot to lot?

There are certainly some case differences, lot to lot, some differences even within a lot. How much difference and what effect it will have depends on the difference. ?? Even then it won't be vast. It's usually not enough difference for most guns/shooters to notice the difference.
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