Lee makes a factory crimp die for the rigby but it has oversize 1-1/4x12 threads and only fits in their Classic Cast press. I would get the works if I shot my Rigby a lot. Here's a link:

http://leeprecision.com/416-rigby-custom-factory-crimp-die.html


Our God reigns.
Harrumph!!!
I often use quick reply. My posts are not directed toward any specific person unless I mention them by name.