Firearms and Ammunition - As introduced, creates the offense of storing a firearm when the person knows or reasonably should know that a minor without parental consent or a person who is ineligible to possess a firearm is likely to gain access to the firearm; provides an exception to the offense if the person secures the firearm or carries the firearm on the person’s self; designates the offense as a Class A misdemeanor, punishable by fine only, or a Class E felony if a person is injured or killed as a result of the offense. - Amends TCA Title 39.