I'm glad you now have the draft. Is the draft machined @ 2deg while the floorplate mating surface is flat? I don't know. My point being when a floormetal is installed at a 3 to 3 1/2 deg angle the 2 degree draft at the back of the mag well and rear of the guard turns into a minus one. This is much more of an inletting problem when using a Mauser style integral box.
I'm amazed at how many assumptions you make regarding our quality, when you yourself have admitted on at least two different occasions to never owning one of our new Oberndorf-style bottom metal assemblies.
