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Old October 1, 2020, 08:42 AM   #17
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Join Date: October 28, 2006
Location: South Central Michigan...near
Posts: 6,501
It is claimed that you can water drop the PC bullets into cold water to increase hardness.
That seems to be the case, but there are other factors to consider. For instance, it takes awhile for the heat treated bullets to age harden. So if the bullets are going to be sized post-heat treating, they should be sized before age hardening begins or they get difficult to size ( I have seen two different Lube Sizers with the linkage bent/damaged from sizing many hard bullets).
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