Part 2General requirements
Requirements for possession of standard firearms, airguns, pistols, restricted weapons, standard magazines, non-restricted parts, ammunition, etc: Requirements for possession of pistols and restricted weapons
23Defence to prosecution for offence under section 20
In any prosecution for an offence under section 20 in which it is proved that the defendant was in possession of a pistol or restricted weapon, the defendant has the burden of proving that they were authorised or permitted, expressly or by implication, by this Act to be in possession of the pistol or restricted weapon.
It is a defence to a prosecution for an offence against section 20(1) if the defendant proves that—
- they hold a firearms licence; and
- they have owned the pistol to which the charge relates since before 16 May 1969; and
- immediately before 16 May 1969, they were registered under section 9 of the Arms Act 1958 as the owner of the pistol; and
- that, although the pistol is less than 762 millimetres in length, it has not been reduced below that length since 15 May 1969 and is not designed or adapted to be held and fired with 1 hand.
It is a defence to a prosecution for an offence against section 20(1) if the defendant proves—
- that the pistol was in their possession for use both—
- on a pistol shooting range; and
- under the immediate supervision of a person who holds a firearms licence bearing an endorsement permitting the person to have possession of a pistol in their capacity as a member of a pistol shooting club; and
- on a pistol shooting range; and
- that at all times while they were in possession of the pistol they were both on such a range and under the immediate supervision of such a person.



