Socket in a drill, and a handheld torch works good. Without templiq you really have no idea. Could be too hot, maybe not hot enough. You don’t want it glowing hot.
^^This^^ ..... I go faint dull red and dump them in a foil meatloaf pan to cool.
"Faint dull red" is far hotter than required for case annealing--and may even result in worse accuracy on the first firing.
“Montana seems to me to be what a small boy would think Texas is like from hearing Texans.” John Steinbeck
