All my 10/22 needed was a good scope and a Volquartsen hammer ($35) and voila! Great trigger pull and it's as accurate as my CZ Scout and almost (real close) as accurate as my 452 Lux in .22 WMR. And that's with a carbine stock with barrel band.
Even from the bench a poor trigger pull will destroy accuracy.
Even from the bench a poor trigger pull will destroy accuracy.