https://www.legislation.gov.uk/uksi/2019/1420/contents/madeThe Firearms Regulations 2019
UK Statutory Instruments2019 No. 1420Regulation 2
Notification of transfers of deactivated firearms
2.—(1) A person commits an offence if the person—
(a)transfers a deactivated firearm to another person, and
(b)does not give notice of the transfer to the appropriate national authority in accordance with paragraph (2).
(2) Notice for the purposes of paragraph (1)(b) must—
(a)be given—
(i)before the person transfers the deactivated firearm, or
(ii)as soon as reasonably practicable after the transfer;
(b)describe the deactivated firearm including by giving, if known, the make, calibre and serial number;
(c)state the name and address of—
(i)the person giving notice, and
(ii)the person to whom the deactivated firearm has been or will be transferred, and
(d)be sent by registered post, by recorded delivery or by email to a postal or electronic address published pursuant to paragraph (3).
(3) The appropriate national authority must publish a postal address and an electronic address to which a notice given in accordance with paragraph (2) may be sent.
(4) A person guilty of an offence under paragraph (1) is liable—
(a)on summary conviction in England and Wales, to a fine not exceeding level 1 on the standard scale;
(b)on summary conviction in Scotland, to a fine not exceeding level 1 on the standard scale;
(c)on summary conviction in Northern Ireland, to a fine not exceeding level 1 on the standard scale.
If you don't have to give up your car because other people commit crimes in their cars, why should I have to give up my firearms because other people commit crimes with their firearms?