09-18-2022, 10:08 PM
If your die will size the case with the decaping pin removed and not crush the shoulder then size it before you trim. If you size it and the shoulder crushes then trim .020 from them and size, measure and trim to length.
Having done a bunch of Grendel brass to 6 ARC anneal the cases before you size them, it will go a lot smoother and you will get more consistent cases.
Don't just measure the OAL... Check the CBTO to make sure you are good to go before the final trim. Use a fired non sized case to get your correct shoulder bump. only bump the shoulder .002 to .003 from the fired case CBTO. Your brass will live a long life as long as you only use moderate loads. I have had cases that have been loaded 14 times before retiring them.
Having done a bunch of Grendel brass to 6 ARC anneal the cases before you size them, it will go a lot smoother and you will get more consistent cases.
Don't just measure the OAL... Check the CBTO to make sure you are good to go before the final trim. Use a fired non sized case to get your correct shoulder bump. only bump the shoulder .002 to .003 from the fired case CBTO. Your brass will live a long life as long as you only use moderate loads. I have had cases that have been loaded 14 times before retiring them.
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