The concepts of security and weapons are closely related, which equally applies to both public security and national security. In order to ensure their national security, countries are trying to purchase the most effective weapons. In order to achieve the necessary level of public security, the country arms law enforcement personnel. Such armament is legitimate and contributes to the strengthening of general security. At the same time, the purchase of weapons by the population for individual security purposes is not so unambiguous. On the one hand, law-abiding citizens have the right to protect their lives and health from criminal threats. On the other hand, a free turnover of a large number of weapons increases their accessibility and the possibility of getting hold by individuals who are able to use them for criminal purposes. The question arises: which weapons can be available to the population and which not. After all, weapons can be different. A special position in the category of weapons is occupied by cold weapons, the criminal liability for the possession of which is provided for in some countries. Moreover, the question of what should be considered a cold weapon is sufficiently disputable. All these issues are to be studied in the framework of this article.