Three people have appeared before the Special Criminal Court in Dublin following an ongoing Garda investigation into dissident Republican and criminal activity.
All three had been arrested in Dublin at the weekend.
66-year-old Barry Fitzpatrick of 169 Ashlawn park, Ballybrack, Dublin, was charged with membership of an unlawful organisation.
21-year-old Stephen Verhoeven of Brookfield Terrace, Blackrock, Dublin, was charged with possession of two revolvers and 20 rounds of ammunition.
22-year-old Dean Byrne of Coolevin, Ballybrack, Dublin, was charged iwth possession of five handguns and 64 rounds of ammunition.
All were remanded in custody to appear in court again next week.