Gentlemen,
I have a few more photos of the magazine and the work in progress:

This is the rear bridge with the ghost ring being fit checked on the dove tail:

In this photo you can see the raceway milled to accommodate the bolt head:

The gunsmith is using a damaged No 4 action as a mock-up before milling my action:

It will be a couple of weeks before the next installment.
Regards,
Murray