As stated in that build thread, they do require a bit of work, but I am extremely happy with the end results. I had them cut the stock to length and fit a recoil pad. They added in a piece of micarta to attach the pad and they did a nice job of that.

I have it shooting under 1/2” groups and still fiddling with load development.

Just located another fiberglass stock set (B forearm) from a different manufacturer for a future build.