Gardai from the newly amalgamated Organised Crime Unit and National Drug Unit uncovered a firearm and other offensive weapons when they stopped a van on Rosemount Avenue, Artane at 1:15pm this afternoon.
Three men were detained at the scene, another three, sitting in a nearby car, were arrested and a seventh man was collared a short distance away.
The men range in age from early 20s to mid 50s.
The men are being detained under Section 30, Offences Against the State Act, 1939 at Coolock, Ballymun, Clontarf and Raheny Garda Stations.
No injuries have been reported and investigations are ongoing.
