No person shall sell, exchange, give or loan to any person under the age of 16 years any springback knife, gun, revolver, pistol or firearm of any description, or any spring or airgun or other device designed or intended to discharge any pellets, or other deadly or dangerous missile, or any ammunition, cartridge, shell or other device, whether containing any explosive substance or not, designed and intended for use in any weapons enumerated herein. (Prior code § 20.14).