Well it turns out all the analysis of chamberings, calibers, bullets, and powders wasn't a factor for me this year. I drew a special draw montana river breaks archery elk tag. During a 2 week solo hunt on public land, I finally got a 6x6 herd bull with a 7th kicker on one side. I crossed paths with bears, mountain lions, and rattle snakes, and lots of bold coyotes. The constant rain this year was a challenge mentally and physically. I dropped him 2.5 miles from the closest ATV access. Hiking out loads in the mud and rain was a challenge.