Brass weigting yes or no?

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Brass weigting yes or no?

Postby trazman » Mon Mar 02, 2015 4:28 pm

Do you guys separate brass by weight or no? Well a few months ago I have separated a batch of 350pcs of DAG .300wm cases. I wasn't really picky I just weighted all at 1gr and then put them in 3 groups so there are most 3gr differences between them. Those that were really different went away... Now I have loaded one of the three batches with the same recipe that I published in the load database. It was all the same just the cases DAG(sorted by weight) instead of RWS(not sorted). The result was that my ES lowered from 21m/s to 8m/s...

2014-08-03 19.48.28.jpg
2014-08-03 19.48.28.jpg (531.4 KiB) Viewed 1662 times

I can not be sure that this was the reason but since the result is obvious I think it is...

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Re: Brass weigting yes or no?

Postby lovec_SK » Wed Aug 03, 2016 9:30 am

I always sort my brass by the weight. Usually divided to groups by 1gr. The most accurate cases fom all I use are the Lapua in 6,5x47 Lapua. 600 cases, two groups of two different lots. Every lot still inside the 1gr tolerance, the difference between two lots is about 2gr.
Every Shot Counts...
9,3x62, .300 Winchester Magnum, 7mm Remington Magnum, 7mm-08 Remington, 6,5x47 Lapua, .243 Winchester, .223 Remington

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