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Discussion in 'Reloading' started by Daveinjax, Jan 29, 2013.
When weight sorting new brass what is the allowed spreads you use? How many grains ?
I sort by 1 grain increments.
sorting brass that way is good but remember that the brass has to be trimmed to the same length, and be from the same manufacurer/lot number and clean.
I recently sorted a bunch of 7mm Rem cases, Winchester brand. All had already been sized, and the primer pockets were uniformed and the flash holes deburred. Theoretically they were the same.
I ended up with 3 different batches of brass based on how they weight out. First is 226-228 grains, second is 230 grains, last is 232 grains. The lower weight batch had the most spread and the others were relatively consistent. The 230 batch was especially consistent.
I don't expect much difference from them in performance in real life, but I'll stick with one batch at a time when reloading.
Hope that helps