The ONLY thing I don't like about my Gen 4 is the LOP adjuster play set screw is not tooless. I see they fixed that with the red thumb wheel on the back.
I JUST ordered the skid plate, wish I knew and I would have got this tooless set screw. LOP can quickly be set with the swivel locks, but I like to remove that slight play and that takes an allen key.. I like to adjust LOP based on bench work or prone. So i sometimes leave is loose.
Looks good. You'll enjoy it. I have zero complaints about mine other than maybe a cheek offset adjustment, which I think yours also has... Damnit. Now I need to order these options..