Firearms Heritage Protection Act of 2003

Firearms Heritage Protection Act of 2003 - Prohibits civil actions from being brought against a manufacturer or seller of a firearm or ammunition, or a component thereof, that has been shipped or transported in interstate or foreign commerce (a firearm), or a trade association of such manufacturers or sellers, for damages resulting from the criminal or unlawful misuse of a firearm. Requires dismissal of any such action that is pending on the date of this Act's enactment.

Specifies exceptions with respect to actions against persons who transfer a firearm knowing that it will be used to commit a crime of violence or a drug trafficking crime, or actions brought against a seller for negligent entrustment or negligence per se.