Firearms and Ammunition - As introduced, revises various provisions governing the prohibition or restriction of weapons at meetings or on property owned by a private or government entity, including eliminating the prohibitions a local government can place on possession of a handgun in certain locations such as libraries, child care agencies, buildings containing a law enforcement agency, and facilities that administer a Head Start program; removes the limitation of the concealed carry restriction to only persons with an enhanced handgun carry permit; makes other related changes. - Amends TCA Title 39.