I have a Ruger M77 Mark II long action laminated stock for sale, it started out life as a 7mm rem mag stock and I bought it and opened up the channel for a 300 win mag barrel (slightly bigger than the 7). I then upgraded to an H-S Precision stock so I no longer need this one.
It is used and has marks to show it. It is not bad but it isn't show quality. It is missing one of the sling studs.
Asking $70 shipped to your door in the lower 48.