My Ruger 10/22 has been going strong for 15+ years.

You can use CB-22 longs in a 10/22 if you want a subsonic short-range "pellet gun." It turns it into a single-shot, sort of, because you have to cycle the action manually. For some kinds of shooting (control of "flying rats" in my case) that's not all bad.

Frankly, if I were to buy again, I would go back to a bolt action. A semi-auto just isn't as practical as I thought it would be; I find myself unloading it a lot, since I don't trust a trigger lock safety. I would even consider a good single shot with a better scope. Simple and accurate.

My 2-cents.