I put a cheapie Tasco Pronghorn 3-9x32mm riflescope on a M597 using Bushnell 76-3022 rings...
I've been very happy with that setup...
I put a Tasco MAG-IV 4-16x40mmAO riflescope on a M597M (.22WMR) also using the Bushnell 76-3022 rings...
I've been very happy with that setup, too...
The Tasco MAG-IV scope is no lightweight, yet the Bushnell rings have held up well. If you beat up your rig a lot, you might want to go with something a little more substantial if using a large/heavy scope...
Forrest