Hi Jerry,
Unfortunately traditional claw mounts have no standardization and each needs to be individually fit. I know NECG does a good job at this and I understand that Champlin's can do it as well, though my experience with them has been somewhat less than satisfactory. There are probably others as well. Costs can run $800-$1000 and up and there can be a fair amount of time involved as well. Dang.
On the other hand, I've found most claw mounts, both original and re-fit, to be strong, stable and attractive. It's a marvelous system, just a bit costly in modern times.
