Law Number 2 of 2002 pertaining to the Indonesian National Police declares that maintaining public order and security, law enforcement, protection, protection, and community service are among the functions of the state government. The mission of the National Police of the Republic of Indonesia is to achieve internal security, which encompasses maintaining public order and security, enforcing the law, providing protection, protection, and service to the community, and promoting public peace through defending human rights. The Police Law describes the police's duty in preserving security for the purpose of establishing public order, which includes overseeing the use of guns, as it is one of the procedures required to enforce legislative rules. The Regulation of the Head of the Indonesian National Police Number 18 of 2015 concerning Licensing, Supervision, and Control of Non-organic Firearms of the Republic of Indonesia National Police/Indonesian National Armed Forces Self-defense governs the licensing, supervision, and control of non-organic firearms by the Indonesian National Police. The normative juridical approach was utilized in the preparation of this study. This study tries to describe how the Indonesian National Police supervises the usage of guns. Based on research findings, the Police of the Republic of Indonesia supervises the use of weapons through a combination of preventative and punitive measures. This is evidenced by the establishment of Prepoll Number 1 of 2022 concerning the Licensing, Supervision, and Control of Standard Firearms for the Indonesian National Police, Non-Organic Firearms for the Indonesian National Police/Indonesian National Armed Forces, and Security Equipment Classified as Firearms, which are measures to prevent and enforce the improper use of weapons.