Whoever is convicted of violating this article shall forfeit to the Town any dangerous or deadly weapon involved in or constituting such violation. Every police officer, upon making any arrest and taking a weapon used in a violation of this article, shall deliver the same to the Police Judge to be held by him until the final determination of the prosecution for such offense, and upon a finding of guilt it shall then be the duty of the Police Judge to deliver such weapon forthwith to the Chief of Police, who shall make proper disposition of the same by destruction or otherwise.