wc868 powder

[den]

does anybody have experience with wc 868 powder. I believe it is beetween 50bmg & AA 8700 I am trying to find where to start for the 7mm ultra mag /W162 AMAX bullets or gamekings any help appreciated.

 

[Ridge Runner]

never used 868, but with 872, my stw max's out at around 94 gr.
hodgdon calls for 91 gr of 869 as a max in the stw with 145's
and 100 gr for the 300 rum and 200 gr, maybe it'll give you an idea
RR