Establishes "MarcAnthony's Law" to criminalize use of defaced or stolen firearms against police officers.

New Jersey S2903, known as "MarcAnthony's Law," makes it a crime of the first degree to use a defaced or stolen firearm to cause serious bodily injury to a law enforcement officer and a crime of the second degree to use such a firearm to cause bodily injury to a police officer. The bill also increases penalties for defacing firearms and possessing defaced firearms. The penalty for defacing a firearm is upgraded from a third to a second degree crime, and the penalty for acquiring or possessing a defaced firearm is upgraded from a fourth to a third degree crime.

Establishes "MarcAnthony's Law" to criminalize use of defaced or stolen firearms against police officers.

New Jersey S2903, known as "MarcAnthony's Law," makes it a crime of the first degree to use a defaced or stolen firearm to cause serious bodily injury to a law enforcement officer and a crime of the second degree to use such a firearm to cause bodily injury to a police officer. The bill also increases penalties for defacing firearms and possessing defaced firearms. The penalty for defacing a firearm is upgraded from a third to a second degree crime, and the penalty for acquiring or possessing a defaced firearm is upgraded from a fourth to a third degree crime.