I am not the first to get these kind of results.

A quote from 6mmBR.com:

"Before, with my 6XC, the best I could do with H4831sc and 115 Bergers was 2950 fps.
With Reloder 17, I can run the 115s over 3200 fps. That's a HUGE gain."

Article:

http://www.6mmbr.com/reloder17.html