Here are some of the major differences between the M and MA-Series.
Lever mounting post holes - Locations have changed on door template. (12 and 6 o'clock for M lock, MA ...
The Von Duprin 6210 electric strike was designed for retrofit applications and will not work with the Falcon MA series lock when strike and lock body are mounted at standard locations (centerline o...
The Schlage 09-509 rose style thumbturns will work but the spindle sits 90 degrees off from each other (Schlage is square, Falcon is diamond). The result is the throw will end up 10 and 2 o'c...