Radislav Misimovic, aged 43, fronted Wollongong Local Court after pleading guilty to 12 firearm and drug offences following the discovery of real and fake guns in his home in August.

Misimovic was supported in court by his father, and partner, convicted drug dealer Louise Kierce, who was recently released from spending three months in custody after she was charged over an incident in July when she was found with 88 grams of meth inside a designer handbag during a vehicle stop in Warilla.

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Documents tendered to court showed police issued Misimovic with a firearms prohibition order and a weapons prohibition order on August 6 before they searched his house.

In Misimovic's bedroom, police found a .22 calibre semi-automatic gun wrapped in a cloth on the bed. The serial number had been defaced.

Police also found a small black pistol, a Glock-style air pistol and in Misimovic's son's room a small black pistol. Misimovic claimed the guns were "toys" and he had bought them from the website, Wish.

He also had 59 rounds of .22 calibre Highland Hollow point ammunition, one round of .22 calibre armour-piercing ammunition, 60 rounds of .22 calibre subsonic long rifle ammunition and one round of .38 short colt 'w-w' ammunition.

A glass bong and cannabis along with two knuckle dusters, one of which was engraved with Misimovic's initials, were also seized. Misimovic was arrested and taken to Wollongong Police Station where he was charged.

Misimovic's lawyer Graeme Morrison told the court on Friday that one of the weapons that were found inside the home belonged to an acquaintance who had dropped it off two days before the raid.

Mr Morrison told the court Misimovic had spent two months in jail and in that time he had reflected on his actions and acknowledged that he needed to kick his emerging drug problem.

Mr Morrison also claimed his client wanted to "put something back into the community" by way of community service work and "acknowledged what he did was wrong".

Magistrate Claire Girotto noted the charges were "serious" and that having weapons was of "great concern to the community".

She said the charges of possessing a shortened firearm without authority, possessing a defaced firearm and possessing ammunition without a permit were particularly concerning.

She sentenced Misimovic to nine months imprisonment, to be served by way of intensive corrections order in the community, as well as 120 hours of community service and was ordered to pay fines.

Misimovic broke down in tears, wiping them away with his prison green jumper, upon hearing he would be released from prison.

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