i just bought some of their brass for a hard to find caliber. 9.3X64. i haven't loaded and fired it yet but i can tell you it is dimensionally correct. also compared to RWS unfired cases, weight wise the tolerances are closer. 20 cases i weighed went from 216.1 gr. to 216.3. the RWS varied by about 3.5 gr. per 20 weighed, 213 to 216.6 gr.
should be able to buy with confidence.
I haven't used it and most likely never will but there are a couple of things I would look for that rules out most cheap brass for my use.
First and foremost, is the flash hole centered in the primer pocket and uniform in size? If not, trash it.
Is the brass fairly uniform in volume and thickness.
I find Winchester brass is fairly good brass but there is one thing I don't like about it. What I've bought of it, it's almost exactly the minimum trim too length. This might sound good, but not if you want to trim it to your particular chamber. Factory barrels can require .050" or more extra length to get my prefered clearance of .005".
Overall, I think Winchester brass is more uniform than Remington but Remington has the extra length that requires trimming to get to the trim too length, and with a little sorting, it works just fine.
Lapua is probably the better of the brasses but with a lot of sorting, the cheaper Remington brass works just fine, and if you live by the trim to length, Winchester brass is good. Based on how pickey you are, by the time you weed through the Rem and WW brass, the Lapua is not that much more.
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