Chaz, in the manufacturing of a brass case it is necessary to anneal it as many as 6 times. Firing a case hammers the case from the inside out, hammering a case works the case. the old stand-by answer 'all you gotta do is...', is not a good response.
Stress is created when forming, a good start would be to anneal before forming, split necks are a guarantee when using fired cases that have not been annealed. I am not the fan of building up a stock pile of loaded ammo. If I form without annealing I can expect necks of loaded ammo to split, time? Within a year, maybe 2.
F. Guffey
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