WY Stat § 6-8-404 (2021)
2021 Wyoming Statutes|Title 6 - Crimes and Offenses|Chapter 8 - Weapons|Article 4 - Regulation by State|Section 6-8-404 - Regulation by State of Firearms, Firearms Accessories, Ammunition and Antique Firearms Manufactured in Wyoming; Exceptions.

6-8-404. Regulation by state of firearms, firearms accessories, ammunition and antique firearms manufactured in Wyoming; exceptions.| (a) A personal firearm, a firearm accessory or ammunition that is manufactured commercially or privately in Wyoming and that remains exclusively within the borders of Wyoming is not subject to federal law, federal taxation or federal regulation, including registration, under the authority of the United States congress to regulate interstate commerce. It is declared by the Wyoming legislature that those items have not traveled in interstate commerce. This section applies to a firearm, a firearm accessory or ammunition that is manufactured in Wyoming from basic materials and that can be manufactured without the inclusion of any significant parts imported from another state or foreign country. Generic and insignificant parts that have other manufacturing or consumer product applications are not firearms, firearms accessories or ammunition, and their importation into Wyoming and incorporation into a firearm, firearm accessory or ammunition manufactured in Wyoming does not subject the firearm, firearm accessory or ammunition to federal regulation. It is declared by the Wyoming legislature that basic industrial materials, such as, but not limited to, polymers, unmachined metal, ferrous or nonferrous, bar stock, ingots or forgings and unshaped wood, are not firearms, firearms accessories or ammunition and are not subject to congressional authority to regulate firearms, firearms accessories and ammunition under interstate commerce as if they were actually firearms, firearms accessories or ammunition. The authority of the United States congress to regulate interstate commerce in basic materials does not include authority to regulate firearms, firearm accessories and ammunition made within Wyoming borders from those materials. Firearms accessories that are imported into Wyoming from another state and that are subject to federal regulation as being in interstate commerce do not subject a firearm to federal regulation under interstate commerce because the firearm accessory is attached to or used in conjunction with a firearm in Wyoming.  (b) A firearm manufactured or sold in Wyoming under this act shall have the words, "made in Wyoming" clearly stamped, inscribed or otherwise marked on a central part of the firearm, such as the receiver or frame.  (c) To possess a firearm covered by this section a person shall:  (i) Not have been convicted of any felony in any state, territory or other jurisdiction of the United States. This paragraph shall not apply to antique firearms;  (ii) Not currently be adjudicated to be legally incompetent; and  (iii) Not have been committed to a mental institution.  (d) To purchase a firearm covered by this section a person shall:  (i) Be at least:  (A) Twenty-one (21) years of age if the firearm is a handgun;  (B) Eighteen (18) years of age if the firearm is a shotgun or rifle.  (ii) Not have been convicted of any felony in any state, territory or other jurisdiction of the United States. This paragraph shall not apply to antique firearms;  (iii) Not currently be adjudicated to be legally incompetent; and  (iv) Not have been committed to a mental institution.