[Jim from C-Town]

Or go to the Fed X store and box it up and ship it home.

[steve86]

They X-ray mail in many places. Risky.

[BobL]

“Or go to the Fed X store and box it up and ship it home.”

A variation of that might be the best option. Instead of rolling the dice in NJ, where even showing up with the gun at FedEx is illegal, maybe drive to the nearest gun-friendly state (maybe PA, but not sure) and mail it from there.