ditch the magnetic bed and go with glass the itll be thicker and you will reach the bed I would no grind anything on the stop. Mine was the same way only in the back if you loosen the other three it would raise that side just enough to reach. mat is nice but if you ever run the nozzle into it itll leave a hole in it. you could also washers under the springs for height I think its because the assemble the springs on the bed and tighten them up only to let it sit in the box in a warehouse for god knows how long they lose some memory