Firearms and Ammunition - As introduced, enacts the "Tennessee Voluntary Do Not Sell Firearms Act," which permits a person to voluntarily waive their firearm rights through filing a waiver with the clerk of the circuit court in the county of the person's residence or with their healthcare provider; specifies procedures the clerk, healthcare provider, TBI, and department of health must follow upon receipt of a waiver. - Amends TCA Title 4, Chapter 3; Section 10-7-504 and Title 39, Chapter 17, Part 13.