Thank you, Nuh, that pretty much answers everything that I was wondering about.All firearms must be declared to the airline during the ticket counter check-in process.
The firearm must be unloaded.
The firearm must be in a hard-sided container that is locked. A locked container is defined as one that completely secures the firearm from being accessed. Locked cases that can be pulled open with little effort cannot be brought aboard the aircraft.
If firearms are not properly declared or packaged, TSA will provide the bag to law enforcement for resolution with the airline. If the issue is resolved, law enforcement will release the bag to TSA so screening may be completed.
TSA must resolve all alarms in checked baggage. If a locked container containing a firearm alarms, TSA will contact the airline, who will make a reasonable attempt to contact the owner and advise the passenger to go to the screening location. If contact is not made, the container will not be placed on the aircraft.
If a locked container alarms during screening and is not marked as containing a declared firearm, TSA will cut the lock in order to resolve the alarm.
Travelers should remain in the area designated by the aircraft operator or TSA representative to take the key back after the container is cleared for transportation.
Travelers must securely pack any ammunition in fiber (such as cardboard), wood or metal boxes or other packaging specifically designed to carry small amounts of ammunition.
Firearm magazines and ammunition clips must be securely boxed or included within a hard-sided case containing an unloaded firearm.
Small arms ammunition, including ammunition not exceeding .75 caliber for a rifle or pistol and shotgun shells of any gauge, may be carried in the same hard-sided case as the firearm, as long as it follows the packing guidelines described above.
TSA prohibits black powder or percussion caps used with black-powder.
Rifle scopes are not prohibited in carry-on bags and do not need to be in the hard-sided, locked checked bag.
Geez, if I were an LE Agent of some Kind, I would keep one gun for Airline Travel and one for carrying when I'm in my home area, rather than hve to pack and unpack one Gun and Ammo everytime I left home, for Airline travel.
One would think the Airport Officials could simplify that some way by checking the Owner's Credehtials.