Originally Posted by cpa
You can convert them to use a standard mauser bolt stop.
You thread a piece of keystock 1/4-28 then drill & tap the action so it will mount in the same spot as it would be on a standard mauser action. Slot it & drill it for the bolt stop screw to pass through.

Could do that, but that would leave the spring mounting hole forward of the bolt stop. That would bother me and I would weld it closed. If I had the welder fired up, I may as well use it to attach the new bolt stop mount.

Mike