Somebody was getting ready for the big stuff:
That shiny case on the right of the .30-06 is .416 Rigby, from Federal. According to their site that means either a Barnes or Trophy-Bonded Bear Claw 400-grain bullet at 2400fps, with 5115 foot-pounds of energy. Damn.
I showed the cases to the range master, he said the guy had come in the week before. Ten rounds was all he could take at one time, and hadn't been back. Whether he'd finished sighting in or just couldn't get back as yet- or just couldn't take it again- is unknown.