Www.brownells.com
not sure this is it, but will view the linked video so make sure.
http://www.brownells.com/.aspx/pid=22351/Product/AR-RESTOR-trade-
Good advice. Watch the video. Real deal - exactly what my friend was talking about.
Four models for the AR-15’ stock specific.
take a look http://bcove.me/2rq7c64q
Thanks again.