we've rarely used our front bunk for actual sleeping, and mostly for storage...
we drilled a hew hole on each side of the rail housing, about 8" down from the factory holes, and now the bunk can ride safely in a lowered and more useful height...
never been an issue in over 50,000 miles of travel...
'14 Palazzo 33.3 bunkhouse 34' diesel
KingTailgater2 Dish HD, 100w/5a SOLAR, BlueOx
110,000+mi since '14 - US, Alaska, Canada (also, '14 Gulfstream Amerilite and '07 ForestRiver Rockwood) : )b