300 rum 180 gr ttsx retumbo loads?

[williamsc31]

What are y'all guys starting load and max loads with retumbo powder and 180 gr barnes ttsx?

 

[TRG300WM]

180 GR. Hodgdon Retumbo 94.0 3182 fps 100.5C 3300 fps Fed 215 M

 

[williamsc31]

Why does barnes book show 93 grain max?

 

[TRG300WM]

The load i got came from Hodgdon reload center.
http://data.hodgdon.com/cartridge_load.asp