Factual error: Bruce Willis says he has a 'Remington 86 tactical shotgun'. There is no such model, he probably meant the 870.
Continuity mistake: When Jeremy and the cop girl are shooting for practice, the amount of cans changes between shots.
Fire with Fire (2012)
2 mistakes - chronological order
Directed by: David Barrett
Starring: Bruce Willis, Rosario Dawson, Vincent D'Onofrio, Josh Duhamel
Karen Westlake: I will put you in witness protection. The feds will keep safe.
Jeremy Coleman: So my whole life just... just goes away?
Mike Cella: You get to keep your first name.