EXTREME RELOADING: Does Annealing Improve Precision? (part 1, ep. 02)

This video details an extensive experiment to determine if annealed brass improves precision of a rifle's groups.
The first of six range sessions is included in this video.

Timeline:
01:23 - Introduction to this experiment
03:30 - Trimming with the Wilson case trimmer
05:43 - Expanding case mouths with 21st Century tools
06:14 - How fast does annealed brass harden?
08:30 - Experiment sets and sub-sets
09:07 - Reloading the prepared cases
11:44 - Sorting sets to go to the range
12:45 - Sorting by CBTO
13:40 - Live fire at the range
16:10 - Review and wrap-up

Links:
Does Annealing really change brass? https://youtu.be/fBBL2d8otRg