versatile

I've taken deer with 12 GA (slugs and buckshot), .308, .30-06, .45-70, crossbow, and I finished off with .40 S&W a very tough deer who believed that a .35 Remington through the boiler wasn't enough to put HIM down. I have been looking for the "perfect" deer caliber for over 20 years. I define...

Hello guys & gals... Gents & gentettes! X ) So... I'd like to hear opinions on AR15 setups that would be considered "the most" versatile. A "Do-it-all" AR. Something that could plink, Home Defense, hunt, CQB, etc... So, in order to be able to tackle all of those, I think my main concerns would...