Re: Savage, Tikka or Weatherby Build?
I have never played with the Tikka's, and don't know a lot about them so I will not offer an opinion on them, but have played a lot with the savages and had a Howa 1500 which is the exact same action as the weatherby. (Howa makes the weatherby vanguard series)
I am a big savage fan, that being said the savage action is not the most refined in the industry and has some negatives in addition to it's positives. The largest negative in my opinion is that the bolt operation isn't that smooth. It isn't horrendous but it isn't super nice either. It also does not have an integral recoil lug. On the plus side is being made in America, the floating bolt head and being able to do barrel switches at home. The floating bolt head removes the need to get the action trued, and for a little money in relatively inexpensive tools you can go to any caliber you want that fits that action size for cheaper than any of the other actions named.
My howa was a pencil barrel and would still do under MOA. They use Remington bases which is probably a plus for you. My action was smooth, and I mean really smooth. They have since changed the trigger and I am not familiar with the new design, but mine was adjustable (so are the new ones), and by filing on the back of the trigger so that it did not run into the safety as soon you could adjust it to be scary light with no creep. In my opinion it was the best factory trigger I have ever played with. The howa also has an integral recoil lug which is a big plus. In my opinion there are two major negatives to the howa actions. One is that the barrel uses metric threads so it cost an extra $75 or so (depending on what the smith is tooled to do) to do a rebarrel. The other is that they aren't made in America.
I wound up selling off the howa and keeping my savages simply because I can do barrel swaps at home, and it is like a tinker toy for grownups