Unfortunately, while symbolic, I doubt a straight rhetorical 2A statement will get you anywhere but filed away under denied. Citing the Heller decision or McDonald is likely to shoot yourself in the foot. Neither addresses carry outside of the home, only the right to own a firearm. Even if they know about the decisions or took the time to look them up it would not further your cause.
You may want to check out Calguns
. Many people there share their statements of "good cause". It's across the country but it may give you some ideas about what to write. I'd imagine there might be something similar on a local NJ forum.