since im British and they only gun i can get my hands on legally is a .22 bolt action singleshot breechload, (rabbit hunting), i use supersonic ammo because my license doesnt allow a suppressor on it, so atleast it hits before they hear it, the recoil is pitiful once you fire it a few times, good for accurate aiming at pesky hopping buggers, cheaper than buying one at the supermarket

as far as guns i would like to have is a 10gauge Rifled Pumpaction or leveraction, load it with .55cal Sabot rounds and go drop a bear or two (and break my shoulder in the process)

http://www.clubhyper.com/reference/a10gatlinggunss_1.htm (this is the best gun in the world. period.)