Suggest that in no way should you trip take you through or into any airport in NY NY.
And if your plane gets diverted to a NY airport anyway, DO NOT touch your baggage to transport it to the other airplane. Tell the baggage agent that there's a checked firearm in the baggage, and request an airline employee or TSA person move it.
And remember that possession of hollow-point ammo in NJ will get you in trouble, if changing planes in Newark.
And if your plane gets diverted to a NY airport anyway, DO NOT touch your baggage to transport it to the other airplane. Tell the baggage agent that there's a checked firearm in the baggage, and request an airline employee or TSA person move it.
And remember that possession of hollow-point ammo in NJ will get you in trouble, if changing planes in Newark.