The proper annealing of cartridge case necks — never the body or head — extends case life and increases accuracy. Here are some good ways to do it.
Annealing Case Necks
Induction Case Annealer, Learn About Case Weight
The Art and Science of Annealing within
How Induction Annealing Works, Under The Microscope
Ammo Reloading Tips: How Does Neck Turning Affect Accuracy? - RifleShooter
Annealing Case Necks
How Induction Annealing Works, Under The Microscope
Induction Case Annealer, Learn About Case Weight
How Induction Annealing Works, Under The Microscope