I sent an email to Lapua and Norma stated how great it would be if the produced some 300 RUM brass. I'll Keep you posted on their replies. I suggest anyone reloading the 300 RUM to email Norma and Lapua and let them know there are lots of potential customers out there for this cartridge.
I also asked Nosler how long before brass is available.
" People sleep peacably in their bed at night only because rough men stand ready to do violence on their behalf " - George Orwell
I am the way I am because I watched the movies "Red Dawn" and "Tremors" at a impressionable age.