The paper explains the legal procedure of procurement of the weapons and ammunition, the registration and the procedure of the seizure of the same. There are stated conditions that the physical person has to meet in order to recieve the „Agreement“ and to register the weapon. „Agreement“ for the procurement of the weapons, like all the other procedural actions, is issued by police administration or a police station. Administrative procedure is explained as term and how to initiate administrative proceedings. Weapons are considered a dangerous thing and as such the legislator prescribes strict conditions for possession of the same. Weapons are divided into categories as described in the work. Also, the procedure for obtaining weapons initiated at the request of the party is described, the conditions that the party to the proceedings must fulfill, in the form of healthcare and lawful conduct against and with the weapon. The explanatory and accompanying forms, as well as the correspondence sent by an authorized officer to third parties in the proceeding and used to initiate the administrative procedure by filling in the application for the supply of weapons, until the completion of the procedure, the registration of weapons or in a concrete example of the confiscation of weapons based on the resolution are explained. The dissatisfied party in the proceedings has the right to appeal, and the Appeals Commission appointed by the Government of the Republic of Croatia decides on it. In this case, the appeal does not delay the enforcement of the decision on the seizure of weapons.