What he said right up there. DO be sure that the receiving FFL is willing to receive a firearm for transfer for a non-FFL- perfectly legal, some won't. If you do not know how to find one, give me the zip code of the recipient, and I can show you.
And no, the ATF is not running around enforcing STATE law. They are Feds. And you need to read the NY STATE law on this. That will govern whether there is a grandfathering of anything (except grandmas)
What we have here is... failure- to communicate.