Wyoming only prohibits possession of any fully automatic weapon in state game fields or forests.¹

Federal law requires machine guns to be registered with the Bureau of Alcohol, Tobacco, Firearms & Explosives (ATF), and generally prohibits the transfer or possession of machine guns manufactured after May 19, 1986.²

 See our Machine Guns policy summary for comprehensive discussion of this issue. 

1. Wyo. Stat. § 23-3-112 (a).[↩]
2. 18 U.S.C. § 922(o); 26 U.S.C. § 5861(d).[↩]