jlyons said:
I have heard it said that when you get your track saw get a holy rail with it instead. Can you just switch and upgrade to whichever rail you want? If this can be done can it be done with the mft? can you put longer rails on an mft? to rip and 8' sheet with a TS75 how much rail does one need?
Switching guide rails which are part of a set or deal is entirely up to the dealer involved. In the case of the MFT/3, the 42" rail is packed inside the main carton, meaning that needs to be opened so the dealer could retrieve that rail. Then the dealer would not have a normal 42" rail carton to provide to another customer.