Thanks, LTLR--your post here and a couple of others have shed a lot of light on this for me. I am excellent at ballistic theory
but not so much at putting it into practice.
I will use LR shooting for two purposes--feral hogs here in Texas at 500 yards maximum (can't get a bigger open lane through the brush on my place) and in places like Colorado and your home state, if and only if I cannot stalk in closer. In the former instance, I will be shooting much farther than I have to (I could move the feeder in to 50 yards from the blind) and in the latter instance, I will be frank that, on the last hour of the last day of mule deer season, facing the loss of my 15 preference points in the high country of the People's Republic of Colorado, looking across the basin at a 300 non-typical, I will try any shot I have a reasonable hope of making.
I think I can state with confidence that I will NEVER attempt a shot longer than 700 yards because (1) I am just too damned old and (2) won't have an opportunity to devote the practice time and dollars to develop the ability and (3) 700 yards is the farthest my Leica 1200 range finder can reliably repeat.
In all probability, I will be carrying the "little" .300 Remmy most of the time at altitude anyway--comes in just under 7 pounds. Thanks again.