I use to own quite a few of the old stainless/synthetic ones and I"ve shot and played with at least half a dozen ranging in calibers from .223 to .300 Win Mag.
I would have to say, after a trigger job and reloads, every single Ruger would do 1" at 100 yards...Thats not to bad for a $450-500 rifle, IMO. Now the 1 thing I dont like about there magnum models is that they are barrel heavy..
My first 25-06 was a Ruger MKII, S/S, w/muzzle brake, trigger worked down to 3#, leupold 6-18 target. It was a sweet shooting Ruger, I'll tell ya that much. I tried everything in it, and with what it liked, it would do .5" at 100 yards, just like any Remington would...Its got my 2nd longest deer kill at 604 yards w/115g NBT's..And quite a few coyotes between 400-500 yards.
Rugers I hear are a PITA to build off of, so thats pretty much why I got rid of mine, and haven't bought any more. The last Ruger I bought was a .220 Swift varmint, laminate stock, 26" heavy barrel. It shot superb..I was wondering if I should've went with the Remington VSSF, but its about $200 more and its not guarantee to shoot any better then the Ruger. I doubt it would have anyways...
Rugers have been pretty good to me. I"ve never really experienced the bad fouling as others. I use to clean my 25-06 every 40-50 rounds, sometimes longer, but like someone said, buying factory rifles is all luck of the draw, I think I've gotten pretty lucky to have half a dozen Rugers shoot 1" or less at 100 yards...