Four men are due before court in Dublin this morning, charged with offences relating to organised crime in the Balbriggan area.
The men - aged in their 20s and 30s - were arrested after gardaí searched four premises and found a gun, ammunition and a quantity of cannabis worth 38-thousand euro.
The men are being held at Balbriggan, Swords, Clontarf and Drogheda garda stations and will appear before Balbriggan District Court.