Officers investigating a shooting in Leybourne Drive, Bestwood, that took place in May are keen to locate a black Vauxhall Corsa.
It is believed that the car may have been in the area at the time of the incident which happened at about 1pm on Sunday 24 May 2015.
A 19-year-old man was taken to Queen’s Medical Centre with an injury to his arm.
A 20-year-old man was arrested on 15 July 2015 on suspicion of causing grievous bodily harm and released on bail.
A South African Pretoria Metal Pressings 9mm short cartridge casing was recovered from Leybourne Drive and police would like any information that would assist with recovering ammunition or the weapon used.
Anyone with information about the incident should contact DS Andy Buxton Nottinghamshire Police on 101, quoting incident 358 of 24 May.
Alternatively call Crimestoppers anonymously on 0800 555111.