Back To MrTruck Popup RV Short-bed Truck Hitch Extension – New hitch to convert your gooseneck ball in your truck to a  5th wheel base plate (rail type) You don’t need to put rails in your truck bed, just drop the Popup CAG convert a goose 5th wheel in either a Popup Flip-over hitch or B&W Turn-over ball. $594 Add … Continue reading Popup RV 5th wheel to Gooseneck conversion RVGC-AIR cushion ride