pick any of the three rifles. Which ever one feels the best should be the one you choose. As for caliber you are going to het alot of opinons. I would pick the 270 30/06 or 7mm rem mag. put good glass ontop of your rifle and you should have a shooter. good luck

Ill sell you a silver 3x9x40 nikon buckmasters with leupold rings and bases flip up caps for 170.00 I have two of these laying around and they are too nice to collect dust