A Missouri firearm bill of sale is a written record that a firearm passed from a seller to a buyer. It names both parties, describes the firearm by make, model, caliber, and serial number, and states the price and how it was paid. Missouri and federal laws both apply to a private gun sale, and our free form below covers each part of the transfer.
Last Updated: October 2026. This guide is reviewed and updated regularly to reflect current Missouri law. If you notice an error or outdated information, please contact us.
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Selling a firearm in Missouri falls under both state and federal law. Missouri makes it a crime to knowingly sell or give a firearm to a person who is not lawfully entitled to have one.[2] Federal law adds age limits and a background check duty for licensed sellers.[1.1][1.2] The table lists each rule and where it comes from.
Missouri does not require a permit to carry a firearm. A concealed carry permit is optional and lets the holder carry in some places where carrying is otherwise restricted (Mo. Rev. Stat. § 571.030).[3.1]
For a private sale, federal law bars an unlicensed seller from transferring a firearm to a person the seller knows or has reason to believe lives in another state, so both parties must reside in the same state (18 U.S.C. § 922(a)(5)). A sale to a non-resident goes through a licensed dealer.[1.3]
Under 18 U.S.C. § 922(a)(1)(A), a person engaged in the business of dealing in firearms needs a federal firearms license. Occasional sales for a personal collection or hobby, or selling a personal collection, do not count as engaging in the business (18 U.S.C. § 921(a)(21)(C)).[1.4]
| Subject | Long Guns (Shotguns and Rifles) | Handguns and Other Firearms |
| Sale by a licensee to a buyer under the age limit | Under 18 | Under 21[1.1] |
| Transfer by a licensee to a person without a license | The licensee contacts the national instant criminal background check system before the transfer is complete[1.2] | |
| Selling or giving a firearm to a person not lawfully entitled to have one | Unlawful transfer of weapons under Mo. Rev. Stat. § 571.060[2] | |
Missouri calls this offense unlawful transfer of weapons. The statute reads in part:
A person commits the offense of unlawful transfer of weapons if he: (1) Knowingly sells, leases, loans, gives away or delivers a firearm or ammunition for a firearm to any person who, under the provisions of section 571.070, is not lawfully entitled to possess such;
In short, you may not knowingly sell, lend, or give a firearm or its ammunition to someone who is not lawfully entitled to have it.[2]
Under 18 U.S.C. § 922, a licensee may not sell a firearm or ammunition to a buyer in either group below:[1.1]
A licensed importer, manufacturer or dealer may not transfer a firearm to an unlicensed person unless the licensee contacts the national instant criminal background check system. The check comes before the transfer is complete.[1.2]
Our free gun bill of sale runs five pages and is ready for a private sale between two people. It covers the seller, the buyer, the firearm, the price and payment method, and signed statements. It also has a witness line and an acknowledgment page. Build it online by answering a few questions, or download the blank PDF and fill it in with our online PDF editor.

Want something broader? See all Missouri bill of sale forms, read our guide to bills of sale, or use the general firearm bill of sale form that is not tied to one state.
Work through the form from top to bottom. Each step below matches a numbered part of the form, from the date line on page 1 to the acknowledgment on page 5. Fill in the parts on the PDF, or answer the matching questions when you build it online.
Step 1: Date. Write the date on the DATE line at the top of page 1.

Step 2: Seller's Information. Enter the seller's name, street address, city, state and zip code, telephone number, and email address.
Step 3: Buyer's Information. Enter the same details for the buyer.

Step 4: Description. Write the seller's and the buyer's names in the sentence that opens the section. Then list the firearm's make, type or model, caliber, serial number, and any other information.

Step 5: Purchase Date, Purchase Price and Method. Enter the purchase date and the total price. Then mark one of the four payment options:
For a trade-in, also describe the buyer's firearm. Last, select how the price is paid:

Step 6: Buyer and Seller Disclosures. Read the seller's statements on page 2 and sign below them on page 3. Then read the buyer's statements and add the buyer's signature below them.
Step 7: Miscellaneous Provisions. Read the terms on pages 3 and 4. They cover the seller's confirmation of ownership, the as-is sale, and the clause that makes this paper the only agreement between the two parties.

Step 8: Signatures. On page 4, fill in the dates. The seller, the buyer, and a witness each add a signature and a printed name.

Step 9: Acknowledgment. Page 5 holds the acknowledgment block. The last page of the form is where the county and a notary section appear.

Write the serial number exactly as it is stamped on the firearm. Both parties should keep a signed copy for their records.
A bill of sale is a written record of the sale, so it works best when both sides check the details before signing. The points below are general practice, not rules from Missouri statute. Use them alongside the rules above.
Missouri treats it as an offense called unlawful transfer of weapons. A person commits it by knowingly selling, leasing, loaning, giving away or delivering a firearm, or ammunition for one, to anyone who is not lawfully entitled to possess it under Section 571.070.[2]
General information, not legal or tax advice.
