A woman was also arrested in relation to the incident but has since been released
A man is due to appear in court in relation to the discovery of a firearm from a car in Cork on Friday night.
The incident took place when a car was stopped by gardaí during a checkpoint in Blarney where ammunition and a shot gun were found.
The man was arrested at the scene and was taken to a Garda station. A woman was also arrested an transferred to a separate Garda station but has since been released from garda custody with a file being prepared for the DPP.
The man in his 30s will appear before Cork District Court in the morning.