Firearms.

Prohibits the: (1) sale; (2) trade; or (3) transfer; of a regulated weapon to a person less than 21 years of age. Provides that a dealer or person who knowingly or intentionally: (1) sells; (2) trades; or (3) transfers; a regulated weapon to a person less than 21 years of age commits a Level 6 felony. Provides certain defenses. Prohibits a person from possessing, selling, or offering for sale a magazine or similar device for a firearm with a capacity of more than 10 rounds of ammunition. Provides that a person who: (1) knowingly; or (2) intentionally; openly carries a prohibited weapon in a public place commits carrying a prohibited firearm, a Class A misdemeanor. Creates the crime of "unlawful possession of a multiburst trigger activator". Provides that the possession or sale of a multiburst trigger activator is a Class A misdemeanor. Provides that the crime of unlawful possession of a multiburst trigger activator is a Level 6 felony if the person has a prior, unrelated conviction for the offense.