Browns are not cheap. Good things usually aren't. I'm not going to spend that kind of money on a stock for this particular project given the finished weight.
The Bansner will finish very close to the standard Brown, and will be ideal on a 300 WSM where a couple ounces aren't worth an additional $300+. Fortunately I've got the ability to take a blank, install a pad, grind it, finish the blank, bed and paint it.
Were I trying to build the lightest M70 Fwt, I might go the Brown route. Otherwise, "there's not enough there there" for me with this 300 WSM project.