5.56...it has everything you need. Take some Barnes TSX with you. I haven't met a deer yet that scoffs at it <img src="/ubbthreads/images/graemlins/wink.gif" alt="" />

Re: lights...I have had success with these pig hunting. Deer do not see it. I don't shoot deer at night, illegal in TX...but the setup works. http://www.feederlights.com/ It's the cheap-man's night vision <img src="/ubbthreads/images/graemlins/laugh.gif" alt="" />

If you're making us choose...I choose 300 BLK. Simply because you WILL end up with a suppressor at some point. It's the evolution of BRD. Enjoy your knives while they lasted, lol <img src="/ubbthreads/images/graemlins/laugh.gif" alt="" />