I'm the same as you. I use a Marlin model 60 .22lr semi-auto for small game hunting and varmints (feral cats, armadillos, coons, rabbits, squirrels, possums, etc..) Anything that Marlin won't handle I reach for the Mossberg 500 18" I/C choked w/ 00 buck or the AR-15.
The .22WMR is a fine...