Funnily enough, this is something I've been thinking about recently.
I used to have an air rifle, but seldom used it so I got away with.
But nowadays I have my own land, so somewhere to use it.
I've been looking at something slightly different to what TeeDee is looking at.
I was thinking of one of these:
Fitted with one of these:Crosman 2240 Rat Buster :.22 Pellet Co2 Air Pistol - CO2 Powered Air Pistols | Pellpax
The Crosman Rat Buster 2240 is a full powered air pistol utilizing co2 power to propel pellets with up to 5.5 ft/lbs of energy. It'swww.pellpax.co.uk
Is it your intension to use it for 'plinking' or for pest control?