I have the undercover ultra flex and like it so far. Mine has the carpet and like mentioned make sure the last panel flips up so you have access to the whole bed. I was looking at the Roughcountry at first but theirs uses the last panel to hold the bed cover on.
I ran into this today with factory sprayed in liner. I wanted to give you guys a little tip I did. I used a pencil tip solder gun to heat the inside of the hole. It softened the bedliner spray that had gotten into the hole up enough that it was easy to run a tap then.
I traded my frontier in for my stingray gladiator a little over a week ago. You can see the frontier in the background of the first picture. I have since added the mopar lift and 315/70/17 general grabber a/t over the week or so I have had it. It’s amazing the difference the lift and tires add...