Firearms and Ammunition - As introduced, prohibits a gun dealer from delivering to a purchaser a trigger crank, bump stock, bump-fire device, or any other part, combination of parts, component, device, attachment, or accessory that is designed or functions to accelerate the rate of fire of a firearm until 72 hours have passed from the initial time at which the sale of the firearm accessory was sought by the purchaser. - Amends TCA Title 39.