You didn't say what kind of scope you have in mind, and without that it's hard to
recommend rings. My son has a Trainer which is used at the range and as a plinker,
so a low power scope was enough. He has a Weaver rimfire scope, which was chosen
in part because the ocular bell diameter was small enough to mount it pretty low and still
provide bolt clearance. His rings are Warne .400 medium height rings. With that
setup, we shoot without a cheek pad. The Weaver is a modest scope though, so if you're
looking at something bigger, then taller rings and a cheek pad will be needed.