From PullRite:
"As long as you're using Industry Standard Rails you can use any brand." So both the PullRite and the Andersen hitch work with industry standard size above bed rails.
The Andersen 3200 Ultimate Fifth Wheel Connection uses rails:
https://www.andersenhitches.com/Products/3200--ultimate-5th-wheel-connection-rail-version.aspx
The Andersen hitch weighs 40 pounds
The PullRite hitch weighs 98 pounds
A quick check at Tweetys RV shows:
PullRite $599
Andersen $505