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weighing brass

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Unread 01-02-2006, 07:35 PM
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Join Date: Jun 2005
Posts: 70
weighing brass

What is an acceptable difference in weight when weighing lapua 6.5/.284 brass?
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Unread 01-02-2006, 08:36 PM
Bronze Member
Join Date: Apr 2002
Location: Land of the hand
Posts: 62
Re: weighing brass

Most guys sort brass to within half grain lots.
~Pray to God...but swim toward shore~
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Unread 01-03-2006, 07:37 PM
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Join Date: Nov 2005
Location: Texas
Posts: 1,845
Re: weighing brass

I know a member of the Benchrest Hall Of Fame who thinks it is a waste of time and he does not do it so I don't either. We have discussed this at length and when you weigh brass the weight really doesn't matter unless you know specifically if the weight difference makes a volume change. The difference in weight could be in an area of the case that will not affect performance in the least so by sorting brass by its weight may or may not choose well. If you think it helps then do it--the mental part of this sport is a componet that should not be taken lightly. [img]/ubbthreads/images/graemlins/wink.gif[/img]
The Truth Is Not Always Good For Business!!
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Unread 01-03-2006, 08:24 PM
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Join Date: Dec 2005
Posts: 2,483
Re: weighing brass

Case weight shouldn't vary more than 1% for a batch of cases. You'll get a greater difference in accuracy by shooting a rifle whose bolt face hasn't been squared with the chamber (never the bolt) axis. Most primers will show a bigger difference than a 1% case weight spread. Case neck tension can also cause a difference.

In other words, get concerned about case weight uniformity after you can keep all of your shots inside 10 inches at 1000 yards.
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