I love air rifles.. But it seems something about them is always in need of repair..
In a survival situation, I don't know....
I love air rifles too. The only thing I can use to off nuisance critters in my back yard since it backs to I-95. Problem is that the only big bores I know of with the necessary velocity are the ones powered by compressed air. The upside is they have repeating capability. The downside is their tanks have to be re-charged with compressors.