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3/30/2009 6:32:03 PM EDT
what is it?
3/30/2009 7:36:19 PM EDT
[#1]
Quoted:
what is it?


http://en.wikipedia.org/wiki/Annealing_(metallurgy)
3/30/2009 8:17:02 PM EDT
[#2]
heat brass, cool quickly by dropping in water and it makes it soft (unlike steel) so it will not wear out in the re-loading process. All bottleneck cases have it.
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