Pin Box Comparison
Fortunately and because I recieved the incorrect 5th. Airborne from Camping World, they subsituted me with a MorRyde and offered me to substitute it to the correct 5th. Airborne if I was not satisfied.
After travelling 600 KM with the MorRyde, I went back to Camping World and had it replaced with the 5th. Airborne...what a difference! Note however and don't be fooled, there is still minimal verticle and horizontal forces but, definetely minimized by the 5th. Airborne.
As for my Lippert Extended 1621 Heavy Duty Pin Box that came with my 2008 XLR 30X12 Toy Hauler, it's been retired since I took delivery of my 5'er.