Hussey500,

I will do that. I sawed the 20 gauge barrels off yesterday and delivered the monoblock, thereby created, to my machinist friend, this morning, to be bored out and threaded. I have the shanks of the rifle barrels already turned to 0.750" . One is between centres in my South Bend, ready to be threaded 3/4"-32TPI, but I won't do that until I get the mono-block back from Bill, so that I can cut the threads for a good, close, fit. Many thanks and Merry Christmas to you and yours from The Great White North.
Ron.