Just need to work on your “Google Fu” to find things. LOL!

6mmBR

https://www.amazon.com/Type-Match-Full-Die-B-R/dp/B000GU90CI

https://www.opticsplanet.com/lapua-6mm-br-norma-rifle-brass.htm

https://brassstore-usa.com/lapua-6mm...d-rifle-brass/

6mmBRA

https://alphamunitions.com/product/6mm-bra/

https://www.midwayusa.com/product/1025786349?pid=834382

6mm Dasher
https://www.amazon.com/Redding-Match...1-3&th=1&psc=1
https://www.midsouthshooterssupply.c...h-full-die-set

https://www.eurooptic.com/Norma-Bras...-20260257.aspx