Sorry I can't even afford the $0.41 stamp let alone the buck.

But personally I'd go for one of the big Barretts. That way I can drop them far enough away so I don't have to worry about the smell. Also I don't have to worry about carrying the ammo around.
_________________________
When in danger or in doubt
run in circles scream and shout
RAH

And always remember TANSTAAFL