Long Box vs Short Box and slip hitch for 5th wheel

Get the short bed ,and the Andersen Ultimate fifth wheel hitch , and don't look back. The Andersen is a lightweight fifth wheel hitch that MANY are using with the short bed trucks, and no slider is required . You gain payload with the Andersen over the conventional heavy expensive fifth wheel hitches, and adding the slider makes them worse. Do yourself a favor ,and check into the Andersen hitches .