Anybody know what size to use for 6.5x47L? There is one that says .308 family but it says it has a 20° shoulder angle. Then there are 2 that say they have a 30° shoulder, one says "17 fireball, 22/6mm PPC and BR, 204 ruger". The other says "7mm and 30 br,RUM's up to .338". Neither one seems...