My occupation doesn't afford me the time to scientifically debunk benchrest shortcuts embraced today. All I hold for basis is reasoning, objectivity, and observation.
It makes sense to me that cases should be matched by capacity.
Would it hurt anything? Not in any way I can imagine..
I culled cases by weight, fully fireformed them, and measured their capacities. I found that their weight -vs- capacity did not directly correlate.
So from that point onward, I weigh only to save time, and after FF'g I cull by H20 capacity and enter it in my Quickload cartridge file.
With this, and a damn good chrongraph, there are few surprises for me.
Why do I imply weighing cases alone as a BR shortcut? Because that's just what it amounts to. 'Competitors' could take the extra time to measure and match by capacity with no ill affects, but many don't, because many don't have to, or can't.
Undercapacity cartidges run at very high pressures burn up their powder early, resulting in lower muzzle pressures even with shorter barrels, and so producing better bullet release and wide tune. It's pretty much fool-proof, hence the popularity, irregardless of practicality.
There is also 'some' correlation between weight/capacity. So I'm sure weighing alone helps a little..
And finally, because running very high pressures is not a free lunch(nothing is), competitive BR cases must be FL sized, and this mangles consistency in capacity anyway.
Hunting systems are far more diverse, even more challenging, and there are few direct correlations to BR.
Why would there be? Their function is a complete opposite.
And why assign credit to basis that holds 'easy' as 'good enough in competition', therefore good enough otherwise?
