CIV §3273.50: As used in this title, the following definitions apply: (a) “Ammunition” has the same meaning as provided in subdivision (b) of Section 16150 of the Penal Code.

As used in this title, the following definitions apply: (a) “Ammunition” has the same meaning as provided in subdivision (b) of Section 16150 of the Penal Code. (b) “Firearm” has the same meaning as provided in subdivisions (a) and (b) of Section 16520 of the Penal Code. (c) “Firearm accessory” means an attachment or device designed or adapted to be inserted into, affixed onto, or used in conjunction with a firearm that is designed, intended, or functions to increase a firearm’s rate of fire or to increase the speed at which a person may reload a firearm or replace the magazine, or any other attachment or device described in subdivision (a) of Section 30515 of the Penal Code that may render a firearm an assault weapon when inserted into, affixed onto, or used in conjunction with a firearm. The term firearm accessory also includes any other device, tool, kit, part, or parts set that is clearly designed and intended for use in manufacturing firearms. (d) “Firearm-related product” means a firearm, ammunition, a firearm precursor part, a firearm component, firearm manufacturing machine, and a firearm accessory that meets any of the following conditions: (1) The item is sold, made, or distributed in California. (2) The item is intended to be sold or distributed in California. (3) The item is or was possessed in California and it was reasonably foreseeable that the item would be possessed in California. (e) “Firearm precursor part” has the same meaning as provided in Section 16531 of the Penal Code. (f) “Firearm industry member” shall mean a person, firm, corporation, company, partnership, society, joint stock company, or any other entity or association engaged in the manufacture, distribution, importation, marketing, wholesale sale, or retail sale of firearm-related products. (g) “Firearm manufacturing machine” means a three-dimensional printer, as defined in Section 29185 of the Penal Code, a computer numerical control (CNC) milling machine, or a similar machine, that is marketed or sold as or is reasonably designed or intended to be used to manufacture or produce firearms, firearm components, or firearm accessories. (h) “Reasonable controls” means reasonable procedures, acts, or practices that are designed, implemented, and enforced to do the following: (1) Prevent the sale or distribution of a firearm-related product to a straw purchaser, a firearm trafficker, a person prohibited from possessing a firearm under state or federal law, or a person who the firearm industry member has reasonable cause to believe is at substantial risk of using a firearm-related product to harm themselves or another or of possessing or using a firearm-related product unlawfully. (2) Prevent the loss or theft of a firearm-related product from the firearm industry member. (3) Ensure that the firearm industry member complies with all provisions of California and federal law and does not otherwise promote the unlawful manufacture, sale, possession, marketing, or use of a firearm-related product. (4) Prevent the installation and use of a pistol converter, as defined in Section 17015 of the Penal Code, with a firearm.