RE: Lets see your go to Predator/varmit gun.
I use a .454 caliber SamYang 909 air rifle. Right now I'm shooting 174grain slugs. Hoping the meplat is just big enough for a quick kill, while small enough not to hurt the fur to much.
http://i181.photobucket.com/albums/x65/butcher45/HPIM0448.jpg
http://i181.photobucket.com/albums/x65/butcher45/45Slim.jpg