<P> Scopes or any equipment with magnification needs to be registered by the army in the shooter's registry and accompany a traffic authorization, and are allowed to civilians only if under 6 times magnification and with the objective lens smaller than 36 millimeters . Scopes with magnification equal or above 6 times and / or over 35 milimeters, or equipment that mark the target (like laser sights), are restricted to civilians and allowed only for use by the army . The permitted equipment has to be registered in the civilian's document, this process is called "Apostilamento". The document for a shooter's registry is called "Certificado de Registro de Atirador". </P> <P> Air guns can be freely bought and owned by any person older than 18 years old . Only pistols with muzzle energy exceeding 7.5 joules (5.5 ft ⋅ lbf) are not allowed . There is no maximum muzzle energy limit for rifles . Open carry of airguns is not allowed . The use of air guns is restricted non-public places, being shooting ranges, inside a house or a backyard that is not easily accessible from the street . </P> <P> In Bulgaria anyone over the age of 18 can obtain an airgun if its muzzle energy is below that of 24 Joules . Weapons cannot be bought online . </P> <P> Air guns with both a muzzle velocity greater than 152.4 meters per second (500 feet per second) and a muzzle energy greater than 5.7 joules (4.2 foot - pounds) are firearms for purposes of both the Firearms Act and the Criminal Code . Usually the manufacturer's specifications are used to determine the design muzzle velocity and energy . Air rifles that meet these velocity and energy criteria are generally classified as non-restricted firearms; however, some are classified as restricted or prohibited, depending on the exact design of the air rifle . Air pistols are classified as restricted if their barrel is longer than 105 mm or prohibited if their barrel length is 105 mm or less . The lawful possession of these airguns requires that the owner have a valid firearms licence and that the airgun be registered as a firearm . </P>

Do you need a licence to own an air pistol in the uk