N.Y. Penal Law § 265.50
No person who owns or is custodian of a rifle, shotgun or firearm and knows, or has reason to know, that a person less than sixteen years of age is likely to gain access to such rifle, shotgun or firearm shall store or otherwise leave such rifle, shotgun or firearm out of his or her immediate possession or control without having first securely locked such rifle, shotgun or firearm in an appropriate safe storage depository or rendered it incapable of being fired by use of a gun locking device appropriate to that weapon. For purposes of this section "safe storage depository" shall have the same meaning as such term is defined in section 265.45 of this article. Nothing in this section shall be deemed to affect, impair or supersede any special or local act relating to the safe storage of rifles, shotguns or firearms which impose additional requirements on the owner or custodian of such weapons.
It shall not be a violation of this section to allow a person less than sixteen years of age access to:
Failure to safely store rifles, shotguns, and firearms in the second degree is a violation punishable only by a fine of not more than two hundred fifty dollars.
N.Y. Penal Law § 265.50