Sounds great! I've found that a mould has a temp it prefers and there is an optimum temp for the alloy as well. Only problem is that these preferences vary from mould to mould. When I get wrinkled bullets I just cast faster until they smooth out; I'll preheat the moulds but once I get them close I let the alloy finish heating them up.
Life Member NRA, TSRA
Smokeless powder is a passing fad! -Steve Garbe
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My favorite recipes start out with a handful of used wheelweights.