IMR 8133 in 338 win mag

Not a powder I would use in any of my 3 338WM's. Would use it in my 338-416 Rigby Improved, but then I think it's too fast for that too.
Anything H4350/H4831/RE19/RE22/Vhit 160 are the burn speed you need.
I get the best performance with RE19.

Cheers.
 
Top