Free Wyoming Gun / Firearm Bill of Sale
Wyoming has been a Constitutional Carry state since 2011 and passed the Wyoming Firearms Freedom Act (W.S. § 6-8-405), asserting state independence from federal firearms regulations for guns manufactured and kept within Wyoming. Private party firearm sales between Wyoming residents require no background check, no registration, and no waiting period — but a written bill of sale is still the seller's best protection if the gun is ever reported stolen or linked to a crime after the sale.
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Wyoming Gun / Firearm Bill of Sale — What You Need to Know
Sales Tax Details
Firearms are subject to Wyoming's 4% state sales/use tax plus local option taxes in private sales. No specific firearm exemption.
Wyoming Gun / Firearm Sale — Step-by-Step Checklist
- Confirm the buyer is a Wyoming resident and is not a prohibited person (felony conviction, domestic violence misdemeanor, adjudicated mental defect) — ask directly and document the answer in the bill of sale.
- Record the firearm's make, model, caliber or gauge, and serial number exactly as it appears on the receiver.
- Include the sale price, date, and full names and addresses of both buyer and seller.
- Both parties sign and date the bill of sale; each keeps a copy.
- Seller retains their copy indefinitely — if the firearm is ever reported stolen or used in a crime after the sale, the dated bill of sale is the seller's primary documentary defense.
- For NFA items (suppressors, short-barrel rifles), confirm the buyer has an approved ATF Form 4 and federal NFA tax stamp before transferring — Wyoming law allows suppressor ownership with the federal stamp.
Common Pitfalls
- Selling to a visibly impaired or obviously prohibited buyer: Wyoming's no-background-check rule for private sales does not override federal law. Knowingly selling to a prohibited person is a federal felony regardless of state law.
- No serial number documentation: if a firearm is later stolen from the buyer or used in a crime, a seller without a bill of sale recording the serial number has no documentary proof the gun left their possession on a specific date.
- NFA item transfer without paperwork: suppressors and short-barrel rifles require an ATF Form 4 transfer even in Wyoming. Handing over an NFA item without the approved tax stamp is a federal felony.
- Assuming Wyoming Firearms Freedom Act eliminates all federal obligations: W.S. § 6-8-405 applies only to firearms manufactured and remaining entirely within Wyoming. Commercially produced firearms are still subject to federal law.
Pro Tip
Keep your gun bill of sale in the same file as your other firearm purchase records. Wyoming's permissive environment means transactions are easy — but the paper trail is the only thing that separates you from liability if a firearm resurfaces under bad circumstances years after the sale.