Darragh Nugent was shot dead on Monday night
Gardaí investigating the murder of Darragh Nugent have recovered a firearm and car used.
Mr Nugent died after being shot a number of times at Wheatfield Avenue, Clondalkin in west Dublin on Monday evening.
Officers are making a further appeal to the public who may have information that can assist the investigation.
Superintendent Dermot Mann said: "I wish to take this opportunity to thank members of the public for their assistance to date in this investigation.
"We have had an excellent response to our last appeal for information which is greatly assisting the investigation".
Gardaí responded to a call of a car on fire on Wednesday night at Woodside, Newtown in Leixlip, which was the car used in the murder.
The car, with registration number '02 MH 7025' is a black BMW 3 series.
While during the technical examination of the car a firearm was found.
During the course of follow up searches in Collinstown Park on Thursday, a second firearm was also located.
Supt Mann added: "I am appealing to anyone who may have seen this car in the days leading up to September 11th, anywhere between Wheatfield Avenue, Clondalkin and Leixlip to contact us.
"I'm also appealing to the residents of Woodside, Newtown, River Forest and the general vicinity of Leixlip area who may have noticed this car parked at Woodside on 11th and/or 12th September and who can assist us with our investigation."
Gardaí are appealing for witnesses or anyone with any information to contact them at Lucan garda station on 01-6667-300, the Garda Confidential line at 1800-666-111 or any garda station.