Can You Fly With Ammo? TSA Rules, Airline Policies, and What Actually Happens
Yes, you can legally fly with ammunition in the United States — in checked bags only, properly packaged, and declared at check-in. Most people assume it's banned entirely. It's not, but the rules are specific and getting them wrong can result in a missed flight, a TSA fine, or in some jurisdictions, criminal charges.
The TSA Rules (Federal)
The Transportation Security Administration permits ammunition in checked baggage only under these conditions:
Packaging: Ammunition must be in its original factory packaging or in a container specifically designed to carry ammunition — a fiber (cardboard), wood, plastic, or metal box. Loose rounds rattling around in a duffle bag are not acceptable.
Caliber limit: Small arms ammunition up to .75 caliber and shotgun shells of any gauge are permitted.
Magazine storage: Loaded magazines and clips may be transported only if they are securely boxed or enclosed within a hard-sided case. A loaded magazine in a pocket or loose in a bag does not meet the requirement.
Same case as firearm: Ammunition may be packed in the same locked, hard-sided case as an unloaded firearm. Many travelers prefer this for convenience — one case, one declaration.
Carry-on: Ammunition is absolutely prohibited in carry-on baggage. No exceptions. TSA confiscates thousands of rounds from carry-on bags every year from travelers who "forgot" it was there. Fines start at several hundred dollars and can reach thousands.
Airline-Specific Policies
Airlines add their own restrictions on top of TSA requirements:
| Policy | Typical Airline Rule |
|---|---|
| Weight limit | 11 lbs (5 kg) per passenger — this is the most common limit across major U.S. airlines and matches IATA international regulations |
| Declaration | Must be declared at the ticket counter during check-in |
| Packaging | Original factory box or purpose-built ammo box. No loose rounds. |
| Separate vs. combined | Most airlines allow ammo in the same hard-sided case as an unloaded firearm |
Always check your specific airline's policy before flying. Policies can vary, and international carriers may have stricter rules or ban ammunition entirely. Call the airline directly if you're unsure — their website may not have complete information.
How Much Is 11 Pounds of Ammo?
The 11-lb limit is more generous than it sounds:
| Caliber | Approx. Rounds per 11 lbs |
|---|---|
| 9mm 115gr FMJ | ~600 rounds |
| 5.56/.223 55gr | ~440 rounds |
| .45 ACP 230gr | ~340 rounds |
| .308 Win 168gr | ~210 rounds |
| 12 Gauge (2¾" target) | ~130 shells |
For a hunting trip, competition, or training course, 11 pounds is typically plenty. If you need more, some airlines allow higher limits — Delta has permitted up to 50 lbs in some cases — but you must verify in advance.
Step-by-Step: How to Fly With Ammo
Before you leave: Check your airline's ammunition policy. Verify that ammunition is legal to possess at both your departure and destination locations (this matters enormously for states like New York, New Jersey, and California, which have their own ammunition laws). Pack ammunition in original factory boxes or a purpose-built ammo container, inside a locked hard-sided case.
At the airport: Arrive early — 30 extra minutes minimum. At the ticket counter, tell the agent: "I need to declare an unloaded firearm and ammunition in my checked bag." They'll provide a declaration card to fill out and place inside the case. You may be directed to a separate screening area where TSA inspects the case. Stay nearby until TSA clears it.
At your destination: Some airlines deliver firearms cases to the regular baggage carousel. Others route them to a special handling area or the airline's baggage office where you show ID to claim them. Ask at check-in which applies to your airline.
Watch Out for Destination Laws
New York City deserves special caution. NYC has extremely restrictive firearms laws. Even transporting a legally owned firearm through NYC airports has resulted in arrests of travelers with valid permits from other states. If your connecting flight routes through JFK, LaGuardia, or Newark, research the specific legal requirements thoroughly or consult a firearms attorney before traveling. The federal Firearm Owners Protection Act provides some protection for travelers passing through restrictive jurisdictions, but enforcement has been inconsistent.
For more on state-by-state ammunition restrictions, read our new gun owner's ammo guide which covers state purchase requirements.