705 ILCS 405/5-155

Any weapon in possession of a minor found to be a delinquent under Section 5-105 for an offense involving the use of a weapon or for being in possession of a weapon during the commission of an offense shall be confiscated and disposed of by the juvenile court whether the weapon is the property of the minor or the minor's parent or guardian. Disposition of the weapon by the court shall be in accordance with Section 24-6 of the Criminal Code of 2012.