This Mac-10 sub-machine gun was found last year in the boot of a car in Peckham, south London. Nicknamed a "spray and pray", it is capable of firing up to 1,000 rounds a minute.
This four-barreled shotgun was handed in during Greater Manchester Police's gun amnesty last year.
Three of these Baikal pistols were among an arsenal of weapons found when Marlon Grandison was stopped by police in south London last year. Grandison was later jailed for life.
In February 2004, 19-year-old Fabian Flowers was killed by a bullet fired from this home-made key fob "gun". An inquest heard he probably shot himself accidentally.
Another Mac-10 - this one was used to kill doorman Kolawole Babadiya, who was trying to protect guests outside a bar in south London in July this year.
In February businessman Gerald Smith was jailed for importing these Baikal gas pistols from Lithuania. Baikals - which are increasingly common - were converted into deadly weapons.
In June 2003 a mentally ill man, Keith Larkins, was shot dead by police near Heathrow airport while carrying a replica Glock pistol. The gun (top) was a replica of the Glock 17 (below).
On 1 October 2007, as part of the Violent Crime Reduction Act, it became illegal to purchase or supply imitation firearms such as this one.