In the July, 1996 Precision Shooting, Fred Barker's article on the metallurgy of annealing recommends these safe but slow methods that won't overheat the brass:
Quote:
(1) Lead Pot Method: heat lead to 725°-750°F; dip neck into powdered graphite and then—holding body of case in fingertips—into molten lead: when case body becomes too hot to hold slap case into wet towel; or
(2) Candle-flame method: Hold case body in fingertips, place case neck in flame and twirl case back & forth until case body is too hot to hold, then slap case into wet towel; wipe soot off neck % shoulder with dry paper towel or 0000 steel wool.
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The powdered graphite prevents the molten bullet metal from soldering to the brass.