Back in the Mid 80s I ran across a guy who traveled the west coast of Alaska dealing and trading with Alaska natives. These people arnt know for taking care of their rifles so he'd buy up what most people would call "junk" and part them out.
Anyway, I bought 6 Model 70 (all push feeds) actions for a total of $235 for the lot. I made some darn good rifles out of these. Two were made into 1000 yard match rifles that I and a shooting partner of mine used when we were shooting for the NG, one I made into a Vietnam era Sniper rifle clone, One my wife's hunting rifle in 243 (one of the best shooters), one I made into a 338 WM I made to trade for a Motorcycle. I forgot where the 6th went.
There is nothing wrong with these actions and they can be made into excellent shooters. Not much is required except for squaring the face with the internal threads and lapping the bolt lugs.
Of course I am bias, the Model 70 is my favorite action.
I too wanted a 260 Rem, but I've run out of actions. I found one on the CMP Auction a while back that was a AMU target rifle in 308. It was listed as "parts missing" I got it thinking of turning it into a 260. Yeah, Parts missing, a missing bolt. I had another bolt, head spaced it, put some sights on it, now I have a Across the Course Bolt gun and I'm still looking for another Model 70 action. I got my eye on a pair of rifles, One is a pre-64 and one is a Model 54. Not sure I will mess with them, if he comes down to a decent price for the pair, I'll have two more Winchesters. But they are too nice to use as a build.
Here is the AMU Model 70 Tgt.
This is my 1000 yard rifle I used when I shot for the NG, 300 WM......Single shot from the 6 actions I mentioned above.