Changing from a misdemeanor to a felony the crime of storing or leaving a loaded firearm in a location where an unsupervised minor would gain access to the firearm; increasing the penalty for allowing access to a firearm by a minor from a fine not exceeding $1,000 to a fine not exceeding $5,000 or imprisonment not exceeding 5 years, or both; altering the jurisdiction of the District Court; and making conforming changes.