Here's how they worked outFound them here. A full inch of rise from the top of the rail to the bottom of the scope body. Got to the range today, and there's a world of difference between this rifle/scope with these rings and regular extra-high. These put it high enough that you get a good cheek weld on the stock, as opposed to forcing your cheekbone into it to get low enough. They're aluminum, well finished and seem very solid; and seven bucks total.
I'm looking forward to getting to the outdoor range with this combo; I think the 50-yard and 100-yard groups will improve, as it'll be easier to get my eye properly aligned with the scope. I want to try some groups with every ammo it cycles, see how tight I can keep them. Maybe next week, as starting tomorrow it's supposed to turn very windy again.
I should say that this 15-22 is holding up well; no problems other than the Remington Golden Bullet ammo. Today tried it with Remington Viper, Federal Champion and some Federal HP; the Viper had one failure to fire, all others went bang normally and grouped quite well at 30 yards. I had some older Remington GB I tried; one wouldn't go into the chamber, the others all fit but had one FTF out of ten rounds.