This is a papercraft model of Hellboy's revolver, the Samaritan. It's pretty freaking wicked and features a working hinge, loadable bullets, and complicated instructions. Hit the jump to see another pictures of the intricacy. But if there's one thing I've learned during my brief tenure on this planet we call f***ed, it's this: don't ever bring a paper gun to a knife fight -- you're gonna get stabbed.
Hit the link for the 14-page printable instructions.
Samaritan gun papercraft [waynifty]
Thanks to Matthew, who once papercut an enemy to death. Brutal!