Thank you for your input. I will post pictures as I proceed but as I said it is a winter project and the barrels are in Tucson where we live in the winter. We are now in Montana so it will be January before any pictures. I am actually building the receiver as well. I can post the prototype of it if I knew how. It is at the gunsmith now being shaped and internals mated to it. I suppose that progess can be tracked until I get back to the barrels this winter. It is a huge project but fun so far. I will try and figure out how to insert the pictures.----Bill