Another gun without enough info. I know LArifleMAN has one and seems to like it. I know its probably no 9mm AR but it does look a bit like one, probably has better value, made from components of battle proven guns, and takes a pretty inexpensive drum mag. It looks like you have to buy an optic or sight though plus its pretty exepnsive. Anyone own or have experience with it? or even MPA.

Here ya go:

www.masterpiecearms.com/mpa971carbine.pdf