Ok so my question is do you resize new brass? When I got my 338 lapua last year I bought factory ammo to do break in on the barrel and I have been using that brass since. The other day I picked up 200 new pieces of brass for a great deal. I know on the box it says fully prepped brass but was curious how some of you guys do it!!? Thanks TO resize or not?
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New brass
- Thread starter SHEDKING
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I personally always prep new brass 100% regardless.
That's what I was leaning toward. Thanks for the reply
Shane Lindsey
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I typically will run it through the sizing die, just enough to true up the necks. Then chamfer.
I don't worry much about them on the first fireforming as it may change. I will do load development in new cases and then adjust powder once FF if needed.
I don't worry much about them on the first fireforming as it may change. I will do load development in new cases and then adjust powder once FF if needed.
Wolf76
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Mandatory lee collet die for me on all new brass.
sable tireur
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That term 'fully prepped' can be slippery to use or read when written by advertising writers.
In my findings from starting new brass for dozens of cartridges, I have found that generically, the term 'fully prepped' has nothing to do with the sizing process but rather the primer hole, primer pocket, case OAL and neck chamfer. Besides, after checking the condition of most brass after shipping, the cases generally require some attention due to dented necks. This usually doesn't occur with brass shipped in those plastic cases...
For the sake of consistency, I will full length resize every piece of new brass. I do remove the expander ball for resizing then use a mandrel for the neck sizing. This makes sure I get the opportunity to examine every piece before loading for the first time. Maybe this seems to be a little overcautious but the process works for me and my peace of mind.
I will just reading about Wilson mandrel die and that's what they recommend appropriate the advice. Thanks
Ok what mandrel die would you recommend I was looking at Wilson but they only offer one size. I try to have .002 neck tension with all my brass.That term 'fully prepped' can be slippery to use or read when written by advertising writers.
In my findings from starting new brass for dozens of cartridges, I have found that generically, the term 'fully prepped' has nothing to do with the sizing process but rather the primer hole, primer pocket, case OAL and neck chamfer. Besides, after checking the condition of most brass after shipping, the cases generally require some attention due to dented necks. This usually doesn't occur with brass shipped in those plastic cases...
For the sake of consistency, I will full length resize every piece of new brass. I do remove the expander ball for resizing then use a mandrel for the neck sizing. This makes sure I get the opportunity to examine every piece before loading for the first time. Maybe this seems to be a little overcautious but the process works for me and my peace of mind.
Hint hint
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sable tireur
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I started out with the Sinclair mandrels and have just continued on since I have not had any problems.
21st Century Innovation
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Haha thank you!!! I really do appreciate the help!! I have tried to learn the reloading process on my own and the help of YouTube/forums/books.Hint hint
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