There is one single cock, gas piston gun I know of that can match that figure. It's the Beeman Crow Magnum/Theoben Eliminator and it runs about $1000.A good single cock .22 cal air rifle can muster about 27 ft/lbs of E
More like hunting one with a traditional black-powder rifle. There can be legality issues--for example it's not legal to hunt ANY game animals (including squirrels and game birds) in Texas with an airgun--regardless of the power level.Jeez, it's legal to hunt elk with just 500 ft lbs? That must be like trying to hunt elk with a .45acp pistol.