https://www.google.com/search?q=nail+gun+weapon&hl=en&tbo=u&tbm=isch&source=univ&sa=X&ei=ZHz1UMTTEoLKiwLEmICYBw&ved=0CFQQsAQ&biw=972&bih=505
Check out #7 on the link below.
http://thebrigade.thechive.com/2010/08/27/choose-your-weapon-just-guns-in-high-res-23-hq-photos/
Last I checked, it was legal to own a flame thrower. ;O)