If weight or size are not an issue go with 80 plus. I have an 80 and a 65. Low light and distance will show the difference. I hunted with an outfitter a few years ago where guide had a 65 HD. Was having trouble seeing well at distance during low light. I pulled my non HD 80 out and as soon...
Not exactly your question, but I'm going to offer some input. Years ago I lived in the sandhills country of Nebraska. Some of the prettiest whitest yotes you'll ever see and killed a ton of them with 223's. Because they were so pretty (valuable) I was always looking for fur friendly...
I would also look at the xc. I have three of them, all on short actions. One each 7, 7.5, and 8 twist. All longer throats
Shoot bergers out of all of them and all will shoot 1/2 moa at distance. I shoot these out to 1K
115 Vlds out of the 7 T at 2960 fps
105 vld out of the 7.5 T at 3070 fps...