Purchased to match inexpensive 4x scope for 10/22. It took awhile to mount the scope due to 8 fairly long screws. When trying to mount to their Weaver/Picatinny base, the front lever locked down nicely, with no adjustment. The rear lever would not press down to secure to the base. There is an adjustment screw inside, but it would not adjust the tension on the rear lever, at all. Additionally, I really liked the short rails on top of the rings, where I wanted to mount a small laser I own, but those top rails were shorter than the short turret on my scope, so there was no clearance for my laser. Mounting anything else up there would have not provided clearance for scope adjustments. Lastly, the rings were just a tad too close to the center of my scope. I think I would prefer individual QR rings, WITH topside rails and quick releases. Product returned to OP, who are great about accepting.
Pros: Material quality
Cons: Design and function
This review was written in the old system and had content requirements that are different than reviews written today.