After looking at availability and parts cost I've decided I'm not going to take on this project.
If anyone interested in a all numbers matching #669 series 4 nagoya action, sights, Floorplate assy, tang, action screws, stock recoil lug, rear screw ferrel. Complete trigger assy,
Has non winged front sight and action has No RUST. Has complete all matching bolt assy serial #669
I have not fired this action but suspect it may be 6.5x 257Roberts. $120 SHIPPED .