It all depends on what you want the load to do and what your using it for , for a Deer hunting round that will be shot @ less than 70 yards there is no real reason to test it out to 200 , but to work up a load for Pronghorn were shots may be out to say 400 yards then you need to test them at that range .
When working up a new load I start at 50 yards and sometimes even less till I know were their hitting and how their going to group .
stimpy
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