An Adelaide man has been banned from using the internet after allegedly making comments on social media in support of the Christchurch terrorist attack.

Key points: Chad Vinzelberg, 37, has been charged with weapons offences

Chad Vinzelberg, 37, has been charged with weapons offences His northern suburbs home was searched

His northern suburbs home was searched The raid was prompted by comments he allegedly made online

Chad Vinzelberg's alleged online comments prompted police to raid the 37-year-old man's northern suburbs property on Friday.

They allegedly discovered a replica pistol, which was loaded with a single bullet, two flick knives, an extendable baton under Vinzelberg's bed, and a medieval mace and a crossbow in his shed.

In an interview with police, Mr Vinzelberg said he thought he had acquired the weapons legally.

Mr Vinzelberg was charged with four counts of possessing prohibited weapons and one count of possessing prescribed equipment.

A police prosecutor told the Elizabeth Magistrates Court that Mr Vinzelberg posed a genuine concern for the safety of the community and that authorities were undertaking further investigations in relation to other devices located at his address.

However, his lawyer said the items were ornamental and were on display in his "man cave".

Mr Vinzelberg was not charged in relation to the alleged online comment.

Magistrate Gary Gumpl said that, in light of recent events, he would be banned from using the internet or social media.

Mr Vinzelberg was released on bail and was expected to return to court in December.