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.
Furthermore, individuals in the U.S. must be 18 years of age or older to purchase an Airsoft gun. On the other hand, Airsoft guns are not classified as firearms and are legal for use by all ages under federal law. However, some municipalities and states place restrictions on Airsoft guns.urthermore, individuals in the U.S. must be 18 years of age or older to purchase an Airsoft gun. On the other hand, Airsoft guns are not classified as firearms and are legal for use by all ages under federal law. However, some municipalities and states place restrictions on Airsoft guns.