A man is to appear in court in Tipperary this evening after firearms were discovered by gardaí.
The 26-year-old was arrested on Thursday near Limerick Junction railway station after gardaí seized two guns and ammunition.
Gardaí said three other men had been released without charge, although a file is being prepared for prosecutors.
Officers on patrol near the station at around midday on Thursday spotted two men acting suspiciously.
When they were searched a sawn off shotgun, a pistol and 30 rounds of 9mm ammunition were discovered.
The other pair were detained during a follow-up operation.
The accused is to appear at a special sitting of Cashel District Court.