Re: Load development ?
I develop and test loads -as used in the field.
It doesn’t mean I have to shoot 5-10 shot strings at each iteration of change, when 3 round-robin will get me in the ballpark. But eventually I’ll need to confirm that I can do EXACTLY what’s needed.
For group shooting competition, I would develop with appropriate barrel cooling to prevent unnecessary damage(30-60sec shot rate for mid size cartridges), and then tweak the load to produce needed group quick enough for conditions. This, off the bench rest and bags that will always be used.
For cold barrel accuracy, I use 30-60sec rate in development, and then tweak for results needed at far lower shot rates(like days, hours, and finally 10mins[the very worst in performance]). This, off a bipod in calibrated dirt.