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Was curious is it considered worth it to work up loads on brand new brass before it's been fired, given that it isn't fire formed to the chamber of the rifle at that point?
With rare exception, I always run a medium-range load through my brass before I start working with it to develop any accuracy load. I want to duplicate what the brass will be like going forward after it's fired. That's just me, however.
The consulting firm I work for (Part time now) use lots of new brass in various calibers by different manufacturers. We make an initial quality check of each new lot, using a quick test method for checking head squareness. Most lots check out OK, but not always. We once returned 2500 cases to a well known and respected maker.
From everything I read, not based on any personal data, but you should be FL sizing all the time, just neck sizing has kind of become a thing of the past.
With rare exception, I always run a medium-range load through my brass before I start working with it to develop any accuracy load. I want to duplicate what the brass will be like going forward after it's fired. That's just me, however.
That's kind of my thoughts too, which is why I posted this. Wanted to see if I was missing anything that could be done before the first firing of some fresh Lapua Brass that didn't feel like such a waste of powder and bullets.
The only time I neck size is when the brass will stretch and give a case head separation in short order if I full length size. Mainly for my 303 BRIT. The rest of the time I will at least set the shoulder a couple thousands by partial full length resizing.
I will use new brass after running it through the sizing die to work up an initial load but then use fired to fine tune my loads.
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