Decided to go heat up the garage today and install my bolt knob. I cut the old knob down to a square and then rounded it to .313", threaded and installed. Pretty easy, only took me about 45 minutes. Now I guess I will go reload or something.

The original knob.


In the vice and cut.


Threaded


Installed


Heres the gun with the new knob. Still has a little junk on it from the tape I used to protect it.