How to Sell a Gun Online Legally: A Step-by-Step Guide for Private Sellers

Selling a gun online is legal, common, and — when done correctly — straightforward. The key is understanding that “online” in the context of firearms doesn’t mean the gun ships directly to a buyer’s door like a book from Amazon. Every legal online gun sale involves an FFL dealer receiving the firearm and completing the transfer on the buyer’s end. Once you understand that architecture, the rest falls into place.

Step 1: Choose the Right Platform

The first step is selecting a firearms-specific classifieds or auction platform. General-purpose sites like eBay, Facebook Marketplace, and Craigslist prohibit firearm listings. Purpose-built platforms — including dedicated gun classifieds sites — are designed specifically for this market and understand the compliance requirements their sellers operate under.

When evaluating a platform, look for: clear policies requiring FFL transfers for all completed sales, private messaging systems that keep your contact information protected, free or low-cost listing options, and an active user base with recent sold listings in your firearm’s category.

Step 2: Write a Listing That Gets Results

A strong gun listing includes all of the following:

• Make, model, and caliber — stated clearly in the title
• Condition grade — use standard grades (Excellent, Very Good, Good) and describe any wear honestly. Review our guide to firearm condition grades if you’re unsure how to grade your gun
• Serial number — include it or be prepared to share it with serious buyers
• Included accessories — original box, extra magazines, holsters, optics
• Clear photos — both sides, close-ups of any wear, action open to show chamber empty
• Asking price — research comparable sold listings and the Blue Book value before pricing

Step 3: Communicate Safely With Buyers

Keep all communication on the platform’s messaging system until the sale is confirmed. Never give out your home address. Legitimate buyers will understand that the physical transfer happens through an FFL — they won’t ask you to ship directly to their home. Any buyer who requests a direct shipment, pressures you to skip the FFL, or offers to pay with wire transfer or gift cards should be declined immediately. These are hallmarks of online gun sale scams.

Step 4: Agree on Terms and Arrange the FFL Transfer

Once you’ve agreed on a price, the buyer provides the name and contact information of their chosen FFL. You contact that FFL to confirm they accept transfers from private individuals (not all do), confirm their transfer fee, and get their shipping address and any required documentation. Most FFLs want their FFL license number included on the shipping label — always ask.

Using a Bill of Sale

Even though the FFL will complete transfer paperwork on the buyer’s end, create a bill of sale recording the transaction details — buyer’s name, address, ID info, firearm description, serial number, agreed price, and date. Both parties should sign it. This is your legal record that the gun left your possession.

Step 5: Ship the Firearm Legally

Federal law and individual carrier policies govern how firearms can be shipped. The rules differ by firearm type and carrier:

• Handguns: Cannot be shipped via USPS. Must use UPS or FedEx, declared as a firearm at the counter, shipped overnight or 2-day (UPS requirement for handguns)
• Long guns (rifles and shotguns): Can be shipped via USPS, UPS, or FedEx. USPS requires using a post office counter — no drop boxes
• Destination: Always ship to a licensed FFL. Shipping a firearm directly to a non-FFL individual in another state is a federal crime

For complete carrier-specific requirements, the UPS firearms shipping policy and FedEx equivalent are worth reading before your first shipment.

Step 6: Confirm Receipt and Keep Records

Once the FFL confirms receipt and the buyer completes the transfer, the sale is done. Keep your copy of the bill of sale, shipping receipt, and any correspondence with the buyer indefinitely. These records protect you if any questions about the firearm arise in the future.

Key Takeaways

• All online gun sales must route through an FFL — you cannot legally ship directly to a buyer
• Use a firearms-specific platform; general marketplaces prohibit gun listings
• Price your gun using comparable sold listings and the Blue Book of Gun Values
• Never ship to anyone but a licensed FFL, and always get that FFL’s shipping details in writing
• A signed bill of sale and shipping records are essential documentation for every online sale

Frequently Asked Questions About Selling a Gun Online

Can I sell a gun on Facebook Marketplace or eBay?

No — both platforms explicitly prohibit firearm listings in their terms of service. Violations can result in permanent account bans. Use dedicated firearms classifieds platforms that are built to handle gun listings compliantly.

How long does an online gun sale typically take?

From listing to completed transfer, expect 1–2 weeks for a smooth transaction: a few days to find a buyer, a day or two for shipping, and 1–3 days for the receiving FFL to process the transfer. Delays happen when buyers take time selecting an FFL or when NICS checks require additional review time.

Who pays the FFL transfer fee — buyer or seller?

By convention, the buyer pays the transfer fee since the FFL is providing a service to the buyer. This is worth clarifying explicitly in your listing or negotiations to avoid misunderstandings.

What if the buyer’s NICS check is denied?

If the buyer is denied, the FFL will return the firearm to you. You’ll typically pay return shipping costs. The buyer cannot take possession. The firearm itself is not affected — it can be sold to another buyer.

Do I need to notify anyone when I sell a gun online?

In most states, no formal notification is required for a private seller. Some states — like California — do require private sellers to report the transaction to state authorities. Check your state’s specific requirements before completing any sale.