No, Charlie doesn't do reboring. He uses Krieger and Lilja barrels, both of which make 9.3's.

I talked to him this afternoon and he had counted his 9.3 reamers. He has 19, only two for commercial rounds (9.3x62 and 9.3x74R). The 17 others are all for wildcats on cases from the .358 Winchester up.

“Montana seems to me to be what a small boy would think Texas is like from hearing Texans.”
John Steinbeck