But Larry, the Lyman#2 did NOT WQ harden.
It stayed at its normal BN-15.... inside and out.
Like many "settled cast bullet science" things I find on the internet... does anyone else have actual data ?
BTW: I've found/used this really neat Celestron microscope to measure the Brinell impression w/ some precision:
https://thefiringline.com/forums/sho...26&postcount=7
...vice the old-fashioned way:
https://thefiringline.com/forums/sho...58&postcount=5