Quote Originally Posted by stormblue View Post
I want a 9mm rifle, with controls similar to an AR15, to shoot steel. I keep on going back and forth between a MPX and a Colt pattern 9mm AR. I'm a little concerned about function issues with a roll your own 9mm AR. The main down side to the MPX, for me, is that it's made by Sig. I still have a bad taste in my mouth from a SIG556.
I was kind of looking for the same thing (except a pistol)
AR won out. A big factor was mag availability/prices. I just bought 6 Metalform mags for 130 shipped. 6 MPX mags would cost like 300+