While Ruger bolt-action rifles of the past may not have been shining examples of accuracy because of sub-standard barrels made by sources outside Ruger, the MKII's are all made with barrels made in-house at Ruger's plant, and all seem to shoot well.

Here's a picture of a typical group shot from my Ruger M77VT MkII .22-250 Rem (handload, 50gr Nosler Ballistic Tip BT, 35.7gr H-Varget, CCI BR-2 primer and W-W case):