[muledeer]

For Elk I use 180 gr Nosler Partition's over 78.5 grs of IMR 4831. 180 gr Nosler Ballistic Tips for plinking and 78.5 grs of IMR 4831.
I also load 150 gr Nosler Ballistic Tips and 81 grs of IMR 4350 for Deer although my Weatherby prefers the 180 gr bullets. Actually for muledeer I use my Mk V 270 mag with 130 gr Ballistic Tips and 69 gr of IMR 4831.
Since you will be hunting whitetail you might want to see how your rifle handles 150 bullets. My Weatherby seems to be more accurate with 180's but yours may be different. The reason I suggest 150 grs bullets is that is all you will need for whitetail IMO
muledeer