Some years back, I got real scientific and measured the hardness of cast bullets of various alloys at one week intervals to see how much they hardened and how long it took.I found they did age harden, some only took 2 weeks to max out, others 3 weeks and one took 4 weeks, depending on the alloy. After that some alloys lost a little from their new hardness, but some did not and were very stable. The really big thing I learned is they didn't hardened enough to make any difference in my loading. A Bhn point or two one way or another is irrelevant for practical shooting. Like some other things that folks get fixated on, this is a non-issue.
I cast and put them away and size as needed. Hardness has nothing to do with this. It is just easier and who knows what size I will want them when the time comes to load. So, just do whatever you want to do, it will make no difference in anything other than irrelevant theory.
Thursday, August 22, 2013
aging boolits; do you size before or after?
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