worthwhile or a waste of time practices.

[FLT]

<<<<< is not a expert. I start with new or once fired cases from the same lot I size them trim them to lenth de burr the flash hole I then weight them and separate them into lots by weight. I then load them and number each one with a permanent marker. I then shoot them in five shot groups any that shoot out of the group is set a side and has a letter added to the number on the second reload any that shoot out of the group a second time are discarded. I'm only about a minute of angle shooter but can pretty much do it on demand under most conditions. I only shoot 300 or so yards a 400 yard shot is really pushing it for me. There are some experts on this forum that will not shoot at that short of range I'm sure their case prep is more involved.