I use; 1. Lee Collet Neck Sizer Die 308 win. 2. Forster Bench Rest Full Lenght sizer Die 308 win. 3. Forster Ultra micrometer Seater Die 308 win.
I do not exclude the possibility of error to have me, but it`s probably bad brass l got.
Always follo manufacturer of black powder.
Which is now only used Lapua and RWS in these two caliber.