I've never seen a .22 shoot through a concrete block. This is just a .308 [ame]http://www.youtube.com/watch?v=_trW1YSRi2c&feature=youtube_gdata_player[/ame]
Big bore air rifles aren't cheap and you kinda have to buy an air tank for em. Nobody wants to sit there and pump up a gun 2000 times by hand.
Hate to break the news- but one gun carried on the Lewis and Clark Expedition was a .40 cal air rifle. The stock was the air tank. Would kill a deer. Repeater. Scared the poop out of some of the Indian tribes it was demonstrated to. [ame]http://www.youtube.com/watch?v=-pqFyKh-rUI[/ame]
Quality adult air rifles make excellent small game rifles (squirrels and rabbit). Likewise, they make for excellent target practice arms, cheap to shoot and can even be shot indoors at home. I like spring piston guns the best although the new gas piston guns are supposed to be good, too. I'd avoid the much more expensive and complex PCP (pre-charged pneumatic) guns unless you get really into air guns.
