No you do not.It's a common misconception that you must have a TSA approved lock when checking in guns on a commercial flight however that is not the case.
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Lock your gun case before you and the counter agent take it to be checked by TSA. Stay in the immediate area. If TSA needs the case opened for some reason or has questions, you must be present. At most airports you can stand in an area that provides you with a visual of the space where TSA checks special baggage.
Countries with TSA Lock RequirementsHence, several countries (USA, Canada, Japan, Israel, Finland, Austria and South Korea) require travellers to have their suitcases locked with a specific brand of locks that can be unlocked by aviation security.
In the United States, there is no limit to the number of firearms that a passenger can transport in checked baggage on a commercial flight. However, each firearm must be unloaded and locked in a hard-sided container that is specifically designed for transporting firearms.
Here's what the TSA says about transporting guns and ammo, in a nutshell: Your firearm must be packed and unloaded in locked, hard-sided pistol cases in your checked baggage. Never attempt to carry on a firearm.
The TSA will charge you a fine based on the type of prohibited item you possessed: Unloaded firearms: a fine of $2,050 to $4,100. Loaded firearms: a fine of $4,100 to $10,250. Unloaded firearms with accessible ammunition: treated the same as a loaded firearm.
Travelers may only transport ammunition and unloaded firearms in a locked, hard-sided container as checked baggage. Ammunition and firearms (loaded or unloaded) are prohibited in carry-on baggage.
Some charge a handling fee for firearms, others include it in your free baggage allowance. While TSA in the United States may allow you to pack firearms and ammunition in the same bag or gun case, your airline or your connecting airline may not. Some airlines do not accept any firearms for carriage.
Including paintball markers, may be carried in checked baggage without compressed air cylinder attached. For more prohibited items, please go to the 'What Can I Bring?'
The cabin of the airplane is pressurized, and the hole creates a small leak, but the pressurization system will compensate for it. A single hole, or even a few holes like this, will have no effect. If the bullet blows out a window, that's a problem. A big one.
Empty shell casings are allowed in carry-on bag as long as the projectile is no longer intact. They are allowed only if the primer has been removed or has been discharged. If the projectile is attached & the powder has been drilled out, it is considered a replica and not allowed in carry-on.
Typically in economy, you can bring one carry-on and one personal item. If you bring two bags, one must fit underneath your seat and the other can go into the overhead bin. If you're flying in an upgraded class like business or first, you may be allowed an additional carry-on bag.
You cannot take any guns or firearms (including air rifles and starting pistols) as hand luggage. You may be able to take them as hold luggage - check with your airline before you travel. You cannot take any of these items as hand luggage or in the hold: blasting caps.
What is a TSA lock? Locks that are approved by the TSA, because they may be opened by a master key held by them. They are not keyed alike, but the Master Key will open them for inspection. The good thing is that if theey want to check the contents, they don't have to destroy your lock or cut into your bag.