Gooseneck Question

Your friend has towed it successfully with a Gooseneck, as usually at least one or more Fifth Wheel owners in virtually every Campground you'll visit (my experience since 2007). My next door neighbor in the RGV tows his with a simple gooseneck adapter from IL to south TX every year. I towed my 14K Fiver for 8 years before a REALLY I-10 bad pothole cracked the front cross beam shortly after I converted to the Reese Goosebox. Fix greatly strengthened the front end so hopefully it will better withstand bad roads/last at least as long as it did before the failure. I went back to using the "Star Performance Kingpin Adapter" which I originally installed. Its range of motion/force attenuation is greater than the Goosebox and less maintenance intensive.
Your decision of course!