N.Y. Penal Law § 265.50

§ 265.50 Criminal manufacture, sale, or transport of an undetectable\n firearm, rifle or shotgun.\n A person is guilty of criminal manufacture, sale, or transport of an\nundetectable firearm, rifle or shotgun when he or she knowingly\nmanufactures, causes to be manufactured, sells, exchanges, gives,\ndisposes of, transports, ships, or possesses with the intent to sell:\n 1. any firearm, rifle or shotgun that, after the removal of grips,\nstocks and magazines, is not detectable by a metal detector calibrated\nto detect the Security Exemplar, as defined pursuant to 18 U.S.C. §\n922(p); or\n 2. any major component of a firearm, rifle or shotgun that, if subject\nto the types of detection devices commonly used at airports for security\nscreening, does not generate an image that adequately displays the shape\nof the component.\n Criminal manufacture, sale, or transport of an undetectable firearm,\nrifle or shotgun is a class D felony.\n