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Discussion Starter #1
Looking to add to the stockpile. Just curious, since these come primed from CBB, what kind of processing do they require. I can't do anything but chamfer the case mouths until they are fired. Do you neck size the new stuff and then expand to get consistent neck tension?
 

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I remove the primer knock out pin from my sizing die and do a full length resize with them.
 
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Discussion Starter #4
I remove the primer knock out pin from my sizing die and do a full length resize with them.
That's kind what I'm thinking. Otherwise I would have to start over with load development when I reprimed the cases. Losing 250 primers of unknown origin is not a big deal.
 

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Unless you have an exceptionally tight chamber dies set for normal shoulder bump will not touch shoulder and all you will accomplish sizing is maybe truing up the necks . I have done it both ways and honestly can't tell any difference in accuracy . Why not remove deprimer and size 10 and compare with 10 loaded as they come and compare .

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I run them part way in the die to round the necks, debur the case mouth and load.
That's what I'm going to start doing. I wasn't sure so I went on the side of caution.
 

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I wasn’t sure as well, first time buying pre-primed brass.
I trimmed, chamfered/deburred and loaded 60 w/o issues except one ”loose” neck. I’m going to do a decap/resize on ten to see if there’s any difference.
 

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I would remove the depriming pin and at least partially resize so that you true up the neck and get uniform neck tension.
 

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If your just popping those S&B primers out your wasting a good primer.
Most including myself see very little variation between them and CCI 450's
Any Hornady 6.8 factory ammo with the brass colored primers is using the exact same primer.
I have loaded mild to very hot loads with no issues.
Loads I work up with the new brass and then reload only seem to changed with the increased case capacity of a .003 to .005 shoulder set back when resizing.
With a full length resize I see no difference loading it with a CCI 450/CCI41.

Remove the decapping pin as suggested and give them a quick neck sized to straighten them out.
Most are good to go as is.
Chamfer, debur and load.

I hope that helps answer any questions.
 

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If your just popping those S&B primers out your wasting a good primer.
Most including myself see very little variation between them and CCI 450's
Any Hornady 6.8 factory ammo with the brass colored primers is using the exact same primer.
I have loaded mild to very hot loads with no issues.
Loads I work up with the new brass and then reload only seem to changed with the increased case capacity of a .003 to .005 shoulder set back when resizing.
With a full length resize I see no difference loading it with a CCI 450/CCI41.

Remove the decapping pin as suggested and give them a quick neck sized to straighten them out.
Most are good to go as is.
Chamfer, debur and load.

I hope that helps answer any questions.
Thank you! Can I reuse the primers that I popped out,I’ve been saving them just in case?
 

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Yes, you can reuse them but you "might" not get the same performance as if they had not been punched out. I say "might" as it is just another variable. I have had to remove a primer or two over the years for whatever reason and then reseated them and they fired fine for my purposes. I am going to run a test with primers that were left outside and got rained on. I know that powder is stored under water for safety purposes at the manufacturer and priming compound is wet when it is put into the cups. Oil is a definite enemy of primers but water should not be an issue.
 

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Thank you! Can I reuse the primers that I popped out,I’ve been saving them just in case?
As long as the anvil or cup wasn't damaged you could reuse them. However, I would not trust any removed primer for anything but target or plinking.
 

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Years ago I cut 44 mag cases to about 1/3" to out in custom grips , before putting primers in I decided to kill them . I was surprised how long it took wd 40 and oil to make them definitely inoperable . I popped several I knew had to be dead . Don't remember the brand primers .

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