It might be possible they built a few in the beginning for Mesa. I can't say for sure. I do know they are not making them currently and haven't for some time.
There is a 22 dasher group on Facebook if you are a Facebook guy. Garrett at Preece Precision has built quite a few and runs one for his comp gun with 90gr A-tips I believe
I came across this on Facebook. Interesting concept. Reminds me of a nerf football. I could see it possibly improving inefficient bullets. What do you guys think?