We found 3 Reddit comments about RWBY: Volumes 1-6 [Blu-ray]. Here are the top ones, ranked by their Reddit score.
BTW, all six volumes are on amazon for a pretty damn good price. I've streamed rwby every tike too but I am going to finally buy it. I will be pumped to see it in the best quality.
There's also the V1-5 Collection too available