My favourite movie of all time! I'd call it on for 14, cause I saw it at 12 and the only issues were cussing and the (SPOILER ALERT!!!) suicide of Trey, and frozen Harvey... If you think your kid can understand the psychology of the characters' violence and plentiful cussing (f---ing s--t b--ch a--hole), and still get the beautiful story of humanity's greatest sacrifices, then I'd say to let them see it. Under 13- one might get some serious bad vibes. No go.