That FA additive is awesome. I bought some to use after the results I got with it.
I believe AMP annealing did some testing regarding work hardening and ss tumbling and the result was minimal IIRC. Small amount of hardening on the surface.
You can read about it here: Annealing Brass For Reloading | FAQ | Annealing Made Perfect
And here: Induction Annealing Brass | Our Research | AMP
I believe AMP annealing did some testing regarding work hardening and ss tumbling and the result was minimal IIRC. Small amount of hardening on the surface.
You can read about it here: Annealing Brass For Reloading | FAQ | Annealing Made Perfect
And here: Induction Annealing Brass | Our Research | AMP