Came on the 2021 we bought so guessing two years old... I have keys as well for it. No damage to it at all. As far as mounting to the trail rails, I'm unsure. It gets secured to the bed with 6 clamps. I'll add a couple pics of the clamps.
SmartCap EVOa Adventure has been built for extreme on-road and off-road use. Features Include: Integrated Roof Rails, Positive Pressure Air Vent, Front Flush-Bonded Slider Window, Double-Walled Solid Gullwing Side Doors w/Integrated MOLLE Panels, Rear Half-Door w/Flush-Bonded Fixed Window, and...
Bought the Gladiator with the system installed. Don't need it. Nice weather proof system. Read all about it here Asking $800. Has an additional tray rail system installed which can be removed easily. I'm just north of Houston.