$400 OTD plus around $250 for Randy’s (CPC) 77/22 package would equal $650 and be a very good shooter.
Of course the work might not be needed if it shoots well initially. I have a 17HMR that needed nothing.
Used Randy multiple times and have been very satisfied. Fast turn around and no issues upon receiving.
http://www.ct-precision.com/ruger77.htmlRob