The whole box (50) were sized 5 times to 15#. With the first 1/2 the box all identical at 15#, there was/is no reason to measure the other 1/2. Could I have, certainly, but they would have been identical to the other 1/2 at 15#.
I have not had any spring back with the XLD's after sizing them at least three times. I checked the bullets that I sized to load at 9# last fall while sizing this box and they remained at 9#.
There's been some discussion elsewhere about loading force and some believe its irrelevant and impossible to maintain identical loading forces. They are right but to a point. The testing performed indicates you can maintain identical loading forces BUT..... in a clean barrel. That means that each bullet is sized identical. What matters when shooting is what type of fouling builds in the barrel. That also can be controlled ....... TO A POINT. Totally dependent on the shooter method, propellant, etc.
Identical sized bullets with identical loading force, even in a clean barrel, is surely better than sized bullets that will load with up to 10# different.