FYI guy's for waking smaller varmints there is a 22LR round that is powder less. 20 Gr. bullet at 500 fps, No noise, no one will know..
Aguila .... http://www.midwayusa.com/viewproduct/?p ... ber=295321
This link is broken, either the page no longer exists or there is some other issue like a typo.
There web site is down...