Annealeez time for 300 win brass

Flame positioning will matter too. To me, I back the flame up until it temp rainbow mark gets down the body about where it is on Lapua brass.

I dial the temp to change 750 F Tempilaq inside the neck, but without flame color change. That is burning off of parts of the brass.
 
Thicker the brass the longer in the flame. As already said, if you see orange flame, it's in there too long and burning the zinc out. Experiment and set it drop just before the orange flame
 
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