Section 571.070 - Possession of firearm unlawful for certain persons - penalty - exception1. A person commits the offense of unlawful possession of a firearm if such person knowingly has any firearm in his or her possession and: (1) Such person has been convicted of a felony under the laws of this state, or of a crime under the laws of any state or of the United States which, if committed within this state, would be a felony; or(2) Such person is a fugitive from justice, is habitually in an intoxicated or drugged condition, or is currently adjudged mentally incompetent.2. Unlawful possession of a firearm is a class C felony, unless a person has been convicted of a dangerous felony as defined in section 556.061, or the person has a prior conviction for unlawful possession of a firearm in which case it is a class B felony.3. The provisions of subdivision (1) of subsection 1 of this section shall not apply to the possession of an antique firearm.Amended by 2024 Mo. Laws, SB 754,s A, eff. 8/28/2024.Amended by 2023 Mo. Laws, SB 189,s A, eff. 8/28/2023.Amended by 2020 Mo. Laws, SB 600,s A, eff. 8/28/2020.Amended by 2016 Mo. Laws, HB 2332,s A, eff. 1/1/2017.L. 1981 H.B. 296, A.L. 1982 H.B. 1201, A.L. 2008H.B. 2034 , A.L. 2010H.B. 1692, et al.