The AR-15 is still banned by name. The Colt match target rifle is exempt in the legal code. I think thats why all the Ar style clones are legal.
Do you really want to bet your freedom and /or tens of thousands of dollars in legal fees that the law will say " Oh well it doesn't say M-1
Carbine it must be legal then"
Best thing is to look on FAA and airline websites.
The gun needs to be declared and inspected that its empty.
You are lucky that you are flying to a more free gun law state.
People have been arrested in Newark airport even after complying with all the laws.