Originally Posted by alank2
For me it is quite effective, but I usually load the same headstamp so that removes the large weight variation with multiple types of brass. I usually do it for extra peace of mind and it only takes a few minutes with a digital scale at the same time I case gauge check them. I can't remember a time where the spread was so large that it wouldn't have easily let me pick out a squib or double.
For pistols you look in each case before you seat the bullet. Develop that habit and you won't need to waste your time on something like weighing bullets that is guess work at best.
Spent brass to me is like the ring to Gollum "We wants it, we needs it. Must have the precious"