9mm carbine upper handgun adapter near Northeast, Northeast, OK, OK

Mechtech Systems (Kalispell, Montana) 9mm Semi-automatic Carbine pistol conversion unit.  Barrel and receiver, Picatinny Rail, Threaded battel. This version is for a Springfield XD lower.  Lower of Springfield XD clamps into the receiver turning this into a 9mm carbine. List price $434.99.  Asking $300.