Missed a (way) earlier post/question on metal left after the filing/metal removal is complete. Sorry. Still figured pictures might answer any future questions.
Pre B CZ 85 still nasty/dirty from it's previous location/user. The magazine would only go in so far before binding up on the rear of the frame near the top of the frame.
I did remove some additional metal from the two posts in front of the grip screw holes as I didn't want the mag brake pressing against the back of the magazine and holding it in the frame (mags. are supposed to drop when you hit the mag release button, you know.) You can't see much difference, if any. Doesn't take much clearance to make things work. The frame is upside down on a towel. The shiny area inside/back of the frame near the towel (top of the frame) and closest to the eye (bottom of the frame) as well as about midways down the frame on the front of the two posts the grip screws thread into (removed metal from the front of those, where they press against the magazine brake, to make sure the magazines would drop free when the release button was pressed.
I took the parts out of my pistol, filed, sprayed with carb cleaner (it was nasty inside anyway) prior to doing a fit check and then I'd file some more and do another carb. spray blow out and fit test. I repeated till I got it right (clearance plus enough to make me feel good about the cerakoting not causing issues if it builds up any at all). Then I sprayed it good with rem-oil (carb spray or brake cleaner strips all the oil off the metal surfaces and rust is ever ready to jump in and cause you problems).
Edited to add: Got another opportunity to replace some photobucket nonsense with pictures from imgur and had to modify the text describing the pictures a little bit (hopefully to make it more clear/easier to understand).