Also +1 on the energizer headlamps. I have had the same one for over five years and use it for everything from working in basements and crawl spaces to striper fishing at night and getting in and out of the woods in deer season
With Barnes bullets velocity is important, the folks at Barnes are quite helpful. Email them and they will tell you the minimum velocity needed for expansion on any given bullet. If memory serves they claim reliable expansion down to something like 1800fps. Don’t quote me on that though. But...