i carry a youth model .22 in my backpack when i am deer hunting, if i see a grouse or rabbit when i am hunting i pull that out and load a cci cb subsonic short into it. it is absolutely quiet, no louder than somebody snapping their fingers. does the job just fine.
http://www.kingdomarms.com/store/ima...olt22Rifle.jpg
http://ammo-sales.com/marketplace/ph...i-cb-short.jpg