This is just an reply to all replies. I want to say first is thank you so much to you all. Seeing all the replies, suggestions, and State/FAA policy is a huge help to my problems. I purchased 2x 10 round mag for my FN509 since I’ll be staying at an Airbnb that’s next to a mountain with a lot of hiking trails. Another reason why I chose to purchase the 10 round mag since I’ll be traveling a lot more since I’m a photo/videographer beginner and I want protection for myself since I’m carrying 5K worth of gear. I’ll will also call Delta Airline Customer service & TSA Customer service to double check and make sure there’s no surprise policy to hurt an Law-abiding Citizen who just want to make it home alive.
For anyone who’s had issues with the TSA…
The Carl Gustaf Recoilless Rife Confiscated By TSA Was All Legal (msn.com)
Come on to Texas 
. We carry a you all come and enjoy being FREE Bobby Jean. And do not forget we have the DEATH PENALTY AND WE USE IT THANK THE LORD Bobby Jean amen
That’s the way I go I got a vehicle and I go where I want and if they don’t like me because I have guns I drive around that place and stay where they can understand that I am an American citizen and free. Bobby Jean 
Almost all my guns run on high octane and they will get sick if they go blow ten rounds. So better call a 57,WHISKEY ASAP KAZ THIS HURTS Bobby Jean
More generally speaking, thought it a nice article in case some of us preparing for Spring/Summer traveling …