A teenager has been charged with possession of a firearm with intent to cause fear of violence.
Jordan Antoine, 19, of Cannon Lane, was charged yesterday.
He already faces charges of possession of a firearm and possession of ammunition, following his arrest on July 21.
The charges are part of the on-going investigation into the use of illegal firearms and associated offences in Luton, codenamed Operation Boson.
Anyone with information about gun crime can contact detectives on the direct confidential reporting line 01582 394281, or use the non-emergency police 24 hour number 101, text the force control room direct on 07786 200011 or phone independent charity Crimestoppers on 0800 555111.
Up to £2000 of reward money is available for information about gun crime in Luton.