Firearms and Ammunition - As introduced, removes certain criminal offenses relative to the possession and carrying of firearms, including the offense of carrying a firearm with the intent to go armed if the person has been convicted of stalking or DUI in certain circumstances and the offense of possession of a firearm by a person under 25 if the person was adjudicated delinquent for certain offenses as a juvenile; removes the offense of possessing or carrying a weapon in a public park, playground, civic center, or other public recreational area; makes various other changes relative to the possession and carrying of firearms. - Amends TCA Title 16; Title 36; Title 37; Title 38; Title 39; Title 40; Title 49 and Title 65.