its a bit of trial and error i think with the some known guidance. I'm going to try it soon.

For temp protection I'll be using 750 Tempilacq for the neck and 450 for the body.

some GOOD reading HERE on 6mmBR

My annealing will be rather basic. Hopefully consisting of a MAP gas burner / cordless drill with an appropriate length long socket to turn the case - usually this seems to be about 5-8 seconds per case but gain this will be trial and error.