I just stumbled across this link via AR15.com...

http://www.thegunsource.com/item/160...08WIN_10R.aspx

I was wondering if anyone knows what this is, who makes it, and if it will work with a 10FCP in an HS Precision stock. I've got a couple of the SSS hi-cap mags, but I could go for something like this (one piece body, single spring) if it will work.