9 pounds is just right.
I have problems putting 20 MOA rails on my hunting guns. Can't ever get a comb that's high enough to give me a good cheek weld with sight picture. I see you have a rifle backpack on your comb. I even have to do that without the rail on some of my rifles with the scope as low as possible. I always use a 40mm objective to help get it as low as possible.
I hate that