Conditions of the middle ear that may be related to an ear infection or result in similar middle ear problems include the following: 1  Otitis media with effusion is inflammation and fluid buildup (effusion) in the middle ear without bacterial or viral infection.
18 for long guns. 21 for hand guns. --- Actually, those are the ages for purchasing from a dealer. Federal law does not list an age limit for possession of long guns and lists â¦ 18 as the age limit for possession of handguns -- though you will not be able to buy ammo for a handgun until age 21.10 people found this useful.-- Actually, those are the ages for purchasing from a dealer. Federal law does not list an age limit for possession of long guns and lists â¦ 18 as the age limit for possession of handguns -- though you will not be able to buy ammo for a handgun until age 21. 10 people found this useful.
2. 18 for rifle and shotgun ammo, 21 for handgun ammo. In the event that you have a carbine chambered for a pistol-caliber cartridge, it may depend upon if the people at the store know you. That's why it pays to shop locally. 3..) You must be 21 to purchase handgun ammo, 18 for all other ammo. 4.) You must be 18 to purchase a long gun. You may purchase a handgun from an individual at 18, but must be 21 to purchase one from a dealer.