My deal with neck sizing is that you get good consistency for a few firings then have to bump the shoulder anyway which gives you essentially a different load every few firings. Not a massive deal but still somthing you have to consider and adjust for.
I think most people over work their brass when fl sizing, you only have to bump the shoulder 2 thou or so. If you are full length sizing with this method then you are drastically minimising how much you work the brass.
For neck tension uniformity pretty much all the precision guys are annealing every load. Even with just neck sizing you as still too g to get some work hardening and a change in tension.
But at the end of the day it's all semantics and unless you are a br shooter or f class guy just use whatever system work for you. Carefull loading either way will make loads that shoot better than most rifles and shooters anyway.
I'm hunting not bench resting so prefer the so.plicity and reliability of partial fl sizing
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