A person commits an offence if, without authority, he has in his possession, or purchases or acquires ...—
other than a rifle which is chambered for .22 rim-fire cartridges;
Subject to section 5A of this Act, a person commits an offence if, without authority, he has in his possession, or purchases or acquires, ...—
The weapons and ammunition specified in subsections (1) and (1A) of this section (including, in the case of weapons, any devices falling within subsection (1)(ba) of this section and, in the case of ammunition, any missiles falling within subsection (1A)(g) of this section) are referred to in this Act as “prohibited weapons” and “prohibited ammunition” respectively.
A person commits an offence if without authority—
In this section “authority” means an authority given in writing by—
An authority shall be subject to conditions specified in it, including such as the Secretary of State or the Scottish Ministers (as appropriate), having regard to the circumstances of each particular case, think fit to impose for the purpose of securing that the prohibited weapon or ammunition to which the authority relates will not endanger the public safety or the peace.
It is an offence for a person to whom an authority is given under this section to fail to comply with any condition of the authority.
The Secretary of State or the Scottish Ministers (as appropriate) may at any time, if they think fit, revoke an authority given to a person under this section by notice in writing requiring him to deliver up the authority to such person as may be specified in the notice within twenty-one days from the date of the notice; and it is an offence for him to fail to comply with that requirement.
For the purposes of this section and section 5A of this Act—
For the purposes of subsection (1)(aba) and (ac) above, any detachable, folding, retractable or other movable butt-stock shall be disregarded in measuring the length of any firearm.
Any reference in this section to a muzzle-loading gun is a reference to a gun which is designed to be loaded at the muzzle end of the barrel or chamber with a loose charge and a separate ball (or other missile).