Neck diameter for 300Norma

[Beeckie]

Guys,

I want to order a FL die from Forester for loading 300 Norma with Lapua brass.
many suggestions about what size to hè the neck honed by Forster?

thanks

 

[Torchy]

.336 is my loaded neck diameter on a lapua case, with 230SMK non neck turned brass.