+ 1 on Nikon products, I have always thought they are a great bang for the buck,just picked up 2 of the discontinued Nikon 6x18 buckmasters for 250 and wish I had got more, and I have multiple ziess and leupolds,:rolleyes:
I think you are on the right track in regards to cal. it comes down to the proper application and bullet you pick,i personally like a little more power in the scope but our desert dogs do run on the small side.
1st off congrats on the sheep tag ,I have been putting in for that tag for many years so I know the pressure your under after drawing!I love the .243 and it is deadly on coues deer but on this tag! Maybe the 06 with a brake?I am in the same boat with the wife who is a good shot with her .243 but...